Domain Intelligence Report

103.by

Full ownership history report — $29 at AboutUsCompare
Gathering intelligence... (12/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Outline
WHOIS
Active Technologies LLC · registered 18 years ago · expires Apr 1, 2027
DNS
2 A · 10 MX · 2 NS · 1 SOA · 2 TXT
SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 46d · 2 SANs
Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
DNSSEC
not signed
Tech Stack
CDN: Cloudflare · Host: Aktivnie Tehnologii LLC · Email: Google Workspace · Express.js
HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✗
Security
C (150/215) · 1 critical · 2 high
Threats
risk: none
Deliverability
A (90/100) · 10 MX · 27 IPs · 3 issue(s)
Subdomains
wildcard DNS — every guessed name resolves
Web Archive
first snapshot 2008-10-28 · 17y archived
DNS Recordschecked 12.7d ago
Details
2 A · 10 MX · 2 NS · 1 SOA · 2 TXT
WHOISchecked 12.7d ago
Details
Active Technologies LLC
Registered 18 years ago
Expires Apr 1, 2027
Then vs Nownew
Details
Same organisation as in 2014.
“Поиск в аптеках МЕДЦЕНТРЫ Популярные услуги Стоматологии Популярные услуги Анализы и �...}}” — AboutUs, 2014
Now: Health · actively maintained
AI-judged Sep 30, 2026: likely, not verified
SSL/TLSchecked 12.7d ago
Details
Valid certificate
Issuer: Let's Encrypt
Protocol: TLSv1.3
Expires in 46 days
2 SAN(s)
Securitychecked 12.7d ago
Details
C
150/215
1 critical2 high
Weakest: Basic Security, Record Security
Email Authchecked 12.7d ago
Details
SPFDKIMDMARC
Policy: reject
DNSSECchecked 12.7d ago
Details
Not DNSSEC-signed
Tech Stackchecked 12.7d ago
Details
CloudflareAktivnie Tehnologii LLCExpress.jsEmail: Google WorkspaceGoogle Search Console
HTTP / Headerschecked 12.7d ago
Details
2 redirect(s) → 200
HSTSCSPX-FrameNosniff
Threatschecked 12.7d ago
Details
Risk: none · score 0
Zone census
Subdomainschecked 12.7d ago
Details
wildcard DNS — every name resolves, so a guessed-name inventory isn't meaningful
Click a subdomain for its full report
Web Archivechecked 12.7d ago
Details
First archived: 2008-10-28
~17 years of history
Deliverabilitychecked 12.7d ago
Details
A
90/100 · 3 issue(s)
10 MX · 27 IP(s)
Top fix: MX IP 2800:3f0:4003:c14::1a has no PTR (reverse DNS)

IPv6

Measured 2026-11-04 22:20 UTC · aaaa.bot
D

The website has no IPv6.

103.by has no IPv6 address published.

  • ✗ 103.by: no IPv6 address
  • ✗ www.103.by: no IPv6 address
  • ✓ Mail: 1 of 1 servers have IPv6
  • ✓ Nameservers: 2 of 2 have IPv6
Details: published addresses and what answered
103.byPublishedno IPv6 address publishedAnswers when we connectnothing to test
www.103.byPublishedno IPv6 address publishedAnswers when we connectnothing to test
MailPublishedsmtp.google.comAnswers when we connect✓ has IPv6
NameserversPublishedbecky.ns.cloudflare.comsimon.ns.cloudflare.comAnswers when we connect✓ has IPv6✓ has IPv6
First measured 2026-11-04: no IPv6 publishedIf this changes, the date will appear here.

Lineage

Our records: Jul 10, 2016 → Nov 4, 2026

Oldest registry snapshot we hold: 2016 · 5 renewals on record. These dates are when our records begin, not when the domain was registered.

Registrar

  • Active Technologies LLClast seen Feb 2025
    Sep 2017 – Feb 2025

DNS provider

  • activeby.net
    Jul 2016 – Jan 2022
  • Cloudflare
    May 2022 – Apr 2026

IPv6

  • IPv6no IPv6 published
    First measured Nov 2026
What changed
  1. IPv6 first measured: no IPv6 published on Nov 4, 2026103.by: no IPv6 published. Grade D. Measured by aaaa.bot, 2026-11-04 22:20 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
  2. Renewed +2 years between Jan 30, 2025 and Feb 21, 2025Expiry moved from 2025-03-31 to 2027-03-31, at Active Technologies LLC.
  3. Renewed +2 years between Jan 2, 2023 and Oct 18, 2023Expiry moved from 2023-04-01 to 2025-03-31, at Active Technologies LLC.
  4. DNS moved to Cloudflare between Jan 28, 2022 and May 20, 2022ns1.activeby.net, ns2.activeby.net, ns3.activeby.net → becky.ns.cloudflare.com, simon.ns.cloudflare.com. Old set last seen in WHOIS on 2022-01-28; new set first seen in WHOIS on 2022-05-20.
  5. Renewed +2 years between Dec 5, 2020 and Mar 31, 2021Expiry moved from 2021-03-31 to 2023-03-31, at Active Technologies LLC.
  6. Renewed +1 year between Jan 17, 2020 and Mar 31, 2020Expiry moved from 2020-03-31 to 2021-03-31, at Active Technologies LLC.
  7. Renewed +2 years between Sep 19, 2017 and Jun 19, 2018Expiry moved from 2018-03-31 to 2020-03-31, at Active Technologies LLC.

Solid bar: the stretch we observed that name. Dot: a single sighting. Dotted line: no record between sightings of the same name. Nothing is drawn between different names.

Registrar and renewals: 53 WHOIS/RDAP snapshots, 2016-07-10 to 2026-04-05 (ledger built 2026-09-27). Every renewal

DNS provider, WHOIS snapshots: 53 WHOIS/RDAP snapshots that listed nameservers, 2016-07-10 to 2026-04-05 (who.is archive). Both sources feed one row per provider (hover a bar to see which); a change is placed between the nearest observations on either side, and where the two sources disagree, both are listed under What changed.

Want to know when 103.by changes?

Monitor it free — 5 monitors, uptime checks every 5 minutes, email alerts when something breaks. No card required.

Monitor 103.by

Explore related

Registered in 2008 — the same year as gstatic.com, googleusercontent.com and cloudfront.net.