sibbern.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
celeste.ns.cloudflare.com	108.162.194.7 162.159.38.7 172.64.34.7 2606:4700:50::a29f:2607 2803:f800:50::6ca2:c207 2a06:98c1:50::ac40:2207	celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com celeste.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tadeo.ns.cloudflare.com	108.162.195.197 162.159.44.197 172.64.35.197 2606:4700:58::a29f:2cc5 2803:f800:50::6ca2:c3c5 2a06:98c1:50::ac40:23c5	tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com tadeo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records5 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.250.150.27 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a	la-in-f27.1e100.net lj-in-x1a.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC 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::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 211ms

TXT Record
google-site-verification=gobVnpoKlVmSdHOQprBUoLOxGYLRHDE5CBKJlN2CiKc
v=spf1 include:_spf.google.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.sibbern.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:02b4a2952bbb4ae3b30010e2dfe72411@dmarc-reports.cloudflare.net,mailto:67bc49ce05f03@ag.dmarcly.com; ruf=mailto:67bc49ce05f03@fo.dmarcly.com; sp=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)

🔐 DNSSEC2072ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412443392
Primary NS (MNAME)	celeste.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

38ms

A

55ms

MX

55ms

AAAA

42ms

TXT

211ms

CAA

54ms

HTTPS

46ms

TLSA

59ms

SOA

0ms

MTA-STS

57ms

DNSSEC

2072ms

SRV

80ms

Total

2534ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:11:00	2534ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-17 21:39:19	9923ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-10 17:28:55	25204ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-25 09:22:29	17186ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-02 16:01:32	10540ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-27 11:08:04	2849ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-18 04:41:56	883ms	2 NS 0 A 5 MX	🔒 Secure	View