Domain Intelligence Report

sqr.domains

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
Realtime Register B.V. · registered 10 years ago · expires Feb 5, 2027
DNS
1 A · 2 MX · 3 NS · 1 PTR · 1 SOA · 1 TXT
SSL/TLS
invalid — Let's Encrypt · TLSv1.3 · expires in 37d · 1 SANs
Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
DNSSEC
not signed
Tech Stack
Email: Self-hosted · nginx
HTTP
HTTP 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
Security
B (160/215) · 1 critical · 2 high
Threats
risk: none
Deliverability
88% A (80/90 points) · 2 MX · 8 IPs · 3 issue(s)
Subdomains
0 found · 112 answered
Web Archive
archived, first date unknown
DNS Recordschecked 10.9d ago
Details
1 A · 2 MX · 3 NS · 1 PTR · 1 SOA · 1 TXT
WHOISchecked 10.9d ago
Details
Realtime Register B.V.
Registered 10 years ago
Expires Feb 5, 2027
Then vs Nownew
No card for this name. We compare then and now for domains that are in the top million and had an AboutUs page. That says nothing about this domain’s age or safety.
Check what it is now →
SSL/TLSchecked 10.9d ago
Details
Invalid certificate
Issuer: Let's Encrypt
Protocol: TLSv1.3
Expires in 37 days
1 SAN(s)
Securitychecked 10.9d ago
Details
B
160/215
1 critical2 high
Weakest: Record Security, Basic Security
Email Authchecked 10.9d ago
Details
SPFDKIM?DMARC
DNSSECchecked 10.9d ago
Details
Not DNSSEC-signed
Tech Stackchecked 10.9d ago
Details
nginxEmail: Self-hosted
HTTP / Headerschecked 10.9d ago
Details
HSTSCSPX-FrameNosniff
Threatschecked 10.9d ago
Details
Risk: none · score 0
Zone census
Subdomainschecked 10.9d ago
Details
0 found · 112 answered
Click a subdomain for its full report
Web Archivechecked 10.9d ago
Details
First archived: unknown
Deliverabilitychecked 10.9d ago
Details
88%A
80/90 points · 3 issue(s)
2 MX · 8 IP(s)
Top fix: No DMARC record

IPv6

Measured 2026-11-14 04:21 UTC · aaaa.bot
D

The website has no IPv6.

sqr.domains has no IPv6 address published.

  • ✗ sqr.domains: no IPv6 address
  • ✗ www.sqr.domains: no IPv6 address
  • ✓ Mail: 2 of 2 servers have IPv6
  • ✓ Nameservers: 3 of 3 have IPv6
Details: published addresses and what answered
sqr.domainsPublishedno IPv6 address publishedAnswers when we connectnothing to test
www.sqr.domainsPublishedno IPv6 address publishedAnswers when we connectnothing to test
MailPublishedmx2.antispam-login.netmx1.antispam-login.netAnswers when we connect✓ has IPv6✓ has IPv6
NameserversPublishedanycast-global.dns.sqr.cloudanycast-eu.dns.sqr.domainsunicast-eu.dns.sqr.nlAnswers when we connect✓ has IPv6✓ has IPv6✓ has IPv6
First measured 2026-11-04: no IPv6 publishedIf this changes, the date will appear here.

See where it lives on the IPv4 map →

Lineage

Our records: May 8, 2014 → Nov 15, 2026

Oldest registry snapshot we hold: 2018 · 4 renewals on record · DNS at sqr.cloud + sqr.domains + sqr.nl · 1 nameserver change seen. These dates are when our records begin, not when the domain was registered.

Registrar

  • Realtime Register B.V.last seen Jan 2026
    Jun 2018 – Jan 2026

DNS provider

  • cyso.eu + cyso.net + cyso.nl
    Feb 2016 – Jun 2018
  • sqr.cloud + sqr.domains + sqr.nlNOW
    Seen from Apr 2019

IPv6

  • IPv6no IPv6 published
    First measured Nov 2026
What changed
  1. IPv6 first measured: no IPv6 published on Nov 4, 2026sqr.domains: no IPv6 published. Grade D. Measured by aaaa.bot, 2026-11-04 02:09 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
  2. Renewed +1 year between Dec 14, 2025 and Jan 15, 2026Expiry moved from 2026-02-05 to 2027-02-05, at Realtime Register B.V.
  3. Renewed +1 year between Nov 24, 2024 and Dec 26, 2024Expiry moved from 2025-02-05 to 2026-02-05, at Realtime Register B.V.
  4. Renewed +5 years between Apr 16, 2019 and Jul 4, 2024Expiry moved from 2020-02-05 to 2025-02-05, at Realtime Register B.V.
  5. DNS moved to sqr.cloud + sqr.domains + sqr.nl between Jun 21, 2018 and Apr 16, 2019ns1.cyso.nl, ns2.cyso.eu, ns3.cyso.net → anycast-eu.dns.sqr.domains, anycast-global.dns.sqr.cloud, unicast-eu.dns.sqr.nl. Old set last seen in WHOIS on 2018-06-21; new set first seen in WHOIS on 2019-04-16.
  6. Renewed +1 year between Jun 21, 2018 and Apr 16, 2019Expiry moved from 2019-02-05 to 2020-02-05, at Realtime Register B.V.

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: 60 WHOIS/RDAP snapshots, 2018-06-21 to 2026-05-14 (ledger built 2026-09-27). Every renewal

DNS provider, registry zone files: 244 .domains zone-file snapshots held, 2014-05-08 to 2026-11-15.

DNS provider, WHOIS snapshots: 41 WHOIS/RDAP snapshots that listed nameservers, 2018-06-21 to 2026-06-18 (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.

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Registered in 2016 — the same year as b-cdn.net, nflxso.net and pki.goog.