iu.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.126.204.255	3600s	ec2-3-126-204-255.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main

📧 MX Records4 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dk.mx1.mailanyone.net	192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	dk.mx2.mx25.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.
30	3600s	dk.mx3.mailanyone.net	192.162.219.255 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
40	3600s	dk.mx4.mx25.net	192.162.219.255	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 73ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 164ms

TXT Record
_acme-challenge.betaling.iu.dk ZG36ACULd3UjeeWxjXTYMjSaEMoHfLJdkKxrZ_zZxNg
MS=ms11199003
v=spf1 a ip4:81.7.158.176 ip4:81.7.158.165 ip4:81.7.158.182 ip4:81.7.158.179 ip4:81.7.158.178 ip4:81.7.158.177 ip4:81.7.158.174 ip4:51.137.114.88 include:spf.emailsignatures365.com include:spf.protection.outlook.com include:spf.mailanyone.net -all
vpe=739beb35

✉️ SPF

Policy	Record (iu.dk)
-all (hard fail)	v=spf1 a ip4:81.7.158.176 ip4:81.7.158.165 ip4:81.7.158.182 ip4:81.7.158.179 ip4:81.7.158.178 ip4:81.7.158.177 ip4:81.7.158.174 ip4:51.137.114.88 include:spf.emailsignatures365.com include:spf.protection.outlook.com include:spf.mailanyone.net -all

📨 DMARC

Policy	Record (_dmarc.iu.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:nemits@iu.dk; ruf=mailto:nemits@iu.dk; rf=afrf; pct=100; ri=86400

📬 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 / DANE8 records 169ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2026061903
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

32ms

A

56ms

MX

60ms

AAAA

38ms

TXT

164ms

CAA

42ms

HTTPS

33ms

TLSA

169ms

SOA

0ms

MTA-STS

89ms

DNSSEC

105ms

SRV

73ms

Total

1606ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:46:52	1606ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 10:15:38	1159ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 11:19:18	1368ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 05:51:07	14488ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 04:12:03	1629ms	2 NS 1 A 4 MX	🔒 Secure	View