it-nerd.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
lloyd.ns.cloudflare.com	108.162.193.197 172.64.33.197 173.245.59.197 2606:4700:58::adf5:3bc5 2803:f800:50::6ca2:c1c5 2a06:98c1:50::ac40:21c5	lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tess.ns.cloudflare.com	108.162.192.227 172.64.32.227 173.245.58.227 2606:4700:50::adf5:3ae3 2803:f800:50::6ca2:c0e3 2a06:98c1:50::ac40:20e3	tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.20.44	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.85	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
15	1800s	itnerd-dk0e.y-v1.mx.microsoft	2a01:111:f403:ca04::9 2a01:111:f403:ca09::1 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.68.32 52.101.73.11 52.101.73.15 52.101.73.28	mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 52.98.154.136

🔷 AAAA Records (IPv6)2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:142c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:bf55	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.20.44,172.67.191.85 ech=AEX+DQBBLgAgACA7vYZanHA++EpkSDmYVe8RxTH8G7pwkcj/oN8vTSjoEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:142c,2606:4700:3033::ac43:bf55

🔌 SRV Records1 records 79ms

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

📝 TXT Records2 records 215ms

TXT Record
MS=ms69535734
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.it-nerd.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:5039ad5068134d16b9f5998ff117baac@dmarc-reports.cloudflare.net,mailto:dmarc.rua@mxbox.dk ; ruf=mailto:dmarc.ruf@mxbox.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

🔗 TLSA / DANE4 records 92ms

Service / Owner	Type	Cert association
SMTP _25._tcp.itnerd-dk0e.y-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.itnerd-dk0e.y-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.itnerd-dk0e.y-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.itnerd-dk0e.y-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC9077ms

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

🏷️ SOA0ms

Field	Value
Serial	2413432693
Primary NS (MNAME)	lloyd.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

40ms

A

45ms

MX

37ms

AAAA

45ms

TXT

215ms

CAA

47ms

HTTPS

58ms

TLSA

92ms

SOA

0ms

MTA-STS

55ms

DNSSEC

9077ms

SRV

79ms

Total

9669ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 14:35:19	9669ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-30 03:04:00	1589ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-19 04:21:54	5729ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-08 23:38:44	1606ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-03 14:06:36	1528ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-16 04:02:11	2323ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 23:41:24	1377ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 00:05:55	830ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 00:31:50	1305ms	2 NS 2 A 1 MX	🔒 Secure	View