centor.dk DNS records

🖥️ Nameservers3 records 60ms

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 Records2 records 75ms

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 Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.251.1.26 142.251.1.27 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 2a00:1450:4010:c1e::1a 2a00:1450:4010:c1e::1b 64.233.162.26 64.233.162.27 64.233.163.26	lb-in-f26.1e100.net lb-in-f27.1e100.net li-in-f26.1e100.net li-in-x1a.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net lj-in-f26.1e100.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 349ms

TXT Record
google-site-verification=AklFPeyB9EAJsUHtnC5_i5apIzlpTVLTbYj-pJlzE8c

✉️ 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

🔗 TLSA / DANE

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

🔐 DNSSEC172ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082004
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

75ms

MX

68ms

AAAA

80ms

TXT

349ms

CAA

76ms

HTTPS

65ms

TLSA

78ms

SOA

0ms

MTA-STS

60ms

DNSSEC

172ms

SRV

116ms

Total

1348ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 09:28:28	1348ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-14 15:39:56	960ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-12 01:52:20	625ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-22 19:46:21	2955ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-21 20:24:40	1054ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 20:05:55	2601ms	3 NS 2 A 1 MX	🔒 Secure	View