nidhog.dk DNS records

🖥️ Nameservers2 records 216ms

Nameserver	IP addresses	PTR	ASN / ISP
bob.ns.cloudflare.com	108.162.193.104 172.64.33.104 173.245.59.104 2606:4700:58::adf5:3b68 2803:f800:50::6ca2:c168 2a06:98c1:50::ac40:2168	bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dorthy.ns.cloudflare.com	108.162.192.249 172.64.32.249 173.245.58.249 2606:4700:50::adf5:3af9 2803:f800:50::6ca2:c0f9 2a06:98c1:50::ac40:20f9	dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 179ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.190	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.144	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 236ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nidhog-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::5 52.101.68.15 52.101.73.1 52.101.73.26 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.56

🔷 AAAA Records (IPv6)2 records 269ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:13be	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bc90	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 201ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.190,172.67.188.144 ech=AEX+DQBBXwAgACAELoo/cji6lVY2G42q27sksdfGAm/zE5HF464vUt8+AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:13be,2606:4700:3036::ac43:bc90

🔌 SRV Records1 records 413ms

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

📝 TXT Records1 records 658ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.nidhog.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:d3acff32dd034e478b8ef08953d6749b@dmarc-reports.cloudflare.net,mailto:it-security+dmarc@nidhog.dk

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records11 records 243ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	sectigo.com
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC552ms

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

🏷️ SOA0ms

Field	Value
Serial	2412452925
Primary NS (MNAME)	bob.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

216ms

A

179ms

MX

236ms

AAAA

269ms

TXT

658ms

CAA

243ms

HTTPS

201ms

TLSA

605ms

SOA

0ms

MTA-STS

305ms

DNSSEC

552ms

SRV

413ms

Total

4330ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:03:10	1677ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-18 18:59:36	4330ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-17 00:57:47	8199ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-07 18:15:56	9626ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-14 13:45:05	1570ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-06 06:02:49	5216ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 16:47:07	6268ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-25 03:56:44	2754ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 15:30:17	787ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 23:24:57	1430ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 05:15:45	1216ms	2 NS 2 A 1 MX	🔒 Secure	View