ser02.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
elsa.ns.cloudflare.com	108.162.192.111 172.64.32.111 173.245.58.111 2606:4700:50::adf5:3a6f 2803:f800:50::6ca2:c06f 2a06:98c1:50::ac40:206f	elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uriah.ns.cloudflare.com	108.162.195.194 162.159.44.194 172.64.35.194 2606:4700:58::a29f:2cc2 2803:f800:50::6ca2:c3c2 2a06:98c1:50::ac40:23c2	uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.90	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.142	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ser02-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::6 2a01:111:f403:ca48::a 52.101.68.10 52.101.68.21 52.101.68.5 52.101.73.153	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.24

🔷 AAAA Records (IPv6)2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:345a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:c58e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.90,172.67.197.142 ech=AEX+DQBBxgAgACDU02VX/J24gNRadHBUv0UeO9HK/mhXzzhdTfHDskF6WAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:345a,2606:4700:3033::ac43:c58e

🔌 SRV Records1 records 65ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 149ms

TXT Record
MS=ms53055797
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ser02.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ser02.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:jbf@dudez.dk

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.ser02.dk	mI5pDkAsmXxDiQQKZe8RU-lcWlWdrlIij6WFnAdIOLM
TXT	_acme-challenge.ser02.dk	mckN_lLPjAZP4Lpj7UorpU3b67HUmN2KY59CWOw7gGM

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2413596023
Primary NS (MNAME)	elsa.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

31ms

A

29ms

MX

26ms

AAAA

33ms

TXT

149ms

CAA

32ms

HTTPS

34ms

TLSA

912ms

SOA

0ms

MTA-STS

42ms

DNSSEC

97ms

SRV

65ms

Total

3566ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 16:19:14	3566ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-25 09:41:41	2393ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-19 03:50:56	1348ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 15:10:47	1478ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 09:39:29	1263ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 04:39:33	3187ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 03:55:22	1441ms	2 NS 2 A 1 MX	🔓 Insecure	View