centor.dk

📜 Historical scan 2026-10-06 02:51:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

centor.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 20 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.26.246 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.26.246	3600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.27.246	3600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	173.194.73.27 209.85.233.26 209.85.233.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 64.233.161.26 64.233.161.27	lq-in-f27.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 143ms

TXT Record
google-site-verification=AklFPeyB9EAJsUHtnC5_i5apIzlpTVLTbYj-pJlzE8c
google-site-verification=GSxQPOCG1iy1kNIGl4t7lOpRZepaEpdn_6_AQTk--To

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.centor.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 01:25:49

www CNAME	cname.manus.space (all on manus.space) → 104.19.168.112 104.19.169.112 2606:4700::6813:a870 2606:4700::6813:a970 (AS13335)
www vs bare domain	Same network centor.dk: 104.18.26.246 104.18.27.246 (AS13335) www.centor.dk: 104.19.168.112 104.19.169.112 2606:4700::6813:a870 2606:4700::6813:a970 (AS13335)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

55ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

30ms

Field	Value
Serial	2026100500
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 12:35:12

Field	Value
Registrar	Simply.com A/S
Registered	2026-04-20
Expires	2027-04-19 (183d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

36ms

43ms

AAAA

33ms

TXT

143ms

CAA

34ms

HTTPS

36ms

TLSA

95ms

SOA

30ms

MTA-STS

40ms

DNSSEC

55ms

SRV

47ms

Total

465ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:25:48	1163ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-06 02:51:01 shown	465ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-04 02:33:42	412ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-18 20:36:55	740ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-12 03:07:19	649ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-04 04:12:12	625ms	3 NS 2 A 1 MX	🔒 Secure
2026-08-21 09:28:28	1348ms	3 NS 2 A 1 MX	🔒 Secure
2026-07-14 15:39:56	960ms	3 NS 2 A 1 MX	🔒 Secure
2026-07-12 01:52:20	625ms	3 NS 2 A 0 MX	🔒 Secure
2026-06-22 19:46:21	2955ms	3 NS 2 A 1 MX	🔒 Secure
2026-06-21 20:24:40	1054ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:05:55	2601ms	3 NS 2 A 1 MX	🔒 Secure