maxsibbern.dk DNS records

🖥️ Nameservers2 records 237ms

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 Records1 records 239ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	maxsibbern-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.16 52.101.68.25 52.101.73.6 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 337ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	sipfed.online.lync.com

📝 TXT Records4 records 533ms

TXT Record
ms=ms53888619
srv _sip _tls 443 1 100 sipdir.online.lync.com
srv _sipfederationtls _tcp 5061 1 100 sipfed.online.lync.com
v=spf1 mx a:mx01.geminorum.net a:mx02.geminorum.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (maxsibbern.dk)
-all (hard fail)	v=spf1 mx a:mx01.geminorum.net a:mx02.geminorum.net include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC386ms

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	2412443337
Primary NS (MNAME)	celeste.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-01 20:31:11

Field	Value
Registrar	A/S SCANNET
Registered	1996-08-28
Expires	2026-09-30 (28d)

📋 WHOIS

⏱️ Lookup Timing

NS

237ms

A

247ms

MX

239ms

AAAA

262ms

TXT

533ms

CAA

243ms

HTTPS

272ms

TLSA

1058ms

SOA

0ms

MTA-STS

274ms

DNSSEC

386ms

SRV

337ms

Total

5447ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 09:52:59	5447ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-15 15:08:11	5547ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-10 09:23:48	1533ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-25 02:33:17	2997ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-01 20:28:47	1971ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-26 10:30:30	1090ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 06:41:09	2998ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-19 23:32:52	1351ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 13:44:57	2479ms	2 NS 0 A 1 MX	🔒 Secure	View