centeo.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
christina.ns.cloudflare.com	108.162.194.193 162.159.38.193 172.64.34.193 2606:4700:50::a29f:26c1 2803:f800:50::6ca2:c2c1 2a06:98c1:50::ac40:22c1	christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
frank.ns.cloudflare.com	108.162.193.166 172.64.33.166 173.245.59.166 2606:4700:58::adf5:3ba6 2803:f800:50::6ca2:c1a6 2a06:98c1:50::ac40:21a6	frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.227	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	173.194.221.27 2a00:1450:4010:c22::1a	lm-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4bc1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:b4e3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.193,172.67.180.227 ech=AEX+DQBBSQAgACCXZBYUsAr9BUJCPSHGkhj27elgwfie0mb8OekBWyCaXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4bc1,2606:4700:3031::ac43:b4e3

📝 TXT Records7 records 193ms

TXT Record
anthropic-domain-verification-cmkwwb=EyFNCrqQETja5YFbQc6wdeXU6
google-site-verification=3FnNrmLNWau1xlCoX8vBrbdPM6ObStqbJpuQusOID74
google-site-verification=83_ofZib14DqpxzYeEALM6cbmAf2pvmmcHEZgTJClYg
google-site-verification=tLNaX-sLuOZQXe8H5PUVhznrhBdBEGzGrDRPzRPYyio
google-site-verification=v1xNbOPVRfCfs_pHkS9V3nksD7l5reHGhZYld_w3njU
MS=77B3B5734E41477AECDA0B15E9CD7E7BD659BD75
v=spf1 include:_spf.google.com include:spf.inmobile.com ~all

✉️ SPF

Policy	Record (centeo.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.inmobile.com ~all

📨 DMARC

Policy	Record (_dmarc.centeo.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:4e8618e3736041e9bee2712fb76a544a@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC78ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413497416
Primary NS (MNAME)	christina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

37ms

MX

59ms

AAAA

43ms

TXT

193ms

CAA

50ms

HTTPS

38ms

TLSA

115ms

SOA

0ms

MTA-STS

80ms

DNSSEC

78ms

SRV

73ms

Total

1488ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 23:47:05	1488ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-30 23:14:30	2237ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-28 11:27:21	10044ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-28 09:45:07	701ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-26 09:39:54	992ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-25 18:34:43	808ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-18 18:59:05	5797ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-02 18:57:14	1157ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 17:57:21	1544ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-16 20:05:19	725ms	2 NS 2 A 5 MX	🔓 Insecure	View