itnu.dk DNS records

🖥️ Nameservers2 records 101ms

Nameserver	IP addresses	PTR	ASN / ISP
elinore.ns.cloudflare.com	108.162.192.153 172.64.32.153 173.245.58.153 2606:4700:50::adf5:3a99 2803:f800:50::6ca2:c099 2a06:98c1:50::ac40:2099	elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryan.ns.cloudflare.com	108.162.195.229 162.159.44.229 172.64.35.229 2606:4700:58::a29f:2ce5 2803:f800:50::6ca2:c3e5 2a06:98c1:50::ac40:23e5	ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.216.194	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	itnu-dk.mail.protection.outlook.com	2a01:111:f403:ca09::4 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.181.153 52.101.68.29 52.101.73.11 52.101.73.15	mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.40
🔶 Autoconfig	104.21.24.39

🔷 AAAA Records (IPv6)2 records 76ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1827	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d8c2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.39,172.67.216.194 ech=AEX+DQBB+AAgACATcv+fK+Ptu0/bpXpp0D1wcGbigahtqny0PH7xycqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1827,2606:4700:3037::ac43:d8c2

📝 TXT Records2 records 306ms

TXT Record
google-site-verification=bglgiumsulUk1JcNdZ5nyH2IS2saPSxBZsNUJMXPvQ8
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.itnu.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:DMARC@Itnu.dk; ruf=mailto:DMARC@Itnu.dk; fo=1

📬 MTA-STS332ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20260816120000
max_age	86400s
Policy MX	*.mail.protection.outlook.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@itnu.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.itnu.dk	itnu.dk.acme.service.one.com

🔗 TLSA / DANE

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

🔐 DNSSEC9135ms

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

🏷️ SOA0ms

Field	Value
Serial	2412599940
Primary NS (MNAME)	elinore.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

101ms

A

59ms

MX

47ms

AAAA

76ms

TXT

306ms

CAA

57ms

HTTPS

67ms

TLSA

839ms

SOA

0ms

MTA-STS

332ms

DNSSEC

9135ms

SRV

120ms

Total

10784ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:30:48	10784ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-20 06:43:50	5535ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-19 05:26:46	5110ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-18 04:39:38	2301ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-25 23:26:21	4013ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-01 22:09:05	2514ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-25 14:36:10	1065ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-23 22:27:32	1124ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 09:36:01	1338ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 13:45:56	3442ms	2 NS 2 A 1 MX	🔒 Secure	View