it-hojskolen.dk DNS records

🖥️ Nameservers3 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.itu.dk	130.226.142.2	maestro.itu.dk	AS1835 IDDQD-AS
ns2.itu.dk	130.226.142.3	mx2.itu.dk	AS1835 IDDQD-AS
ns3.itu.dk	—	—	—

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.142.7	86400s	asterixssl.itu.dk	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	86400s	itu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 2a01:111:f403:ca09::f 52.101.68.5 52.101.73.123 52.101.73.16 52.101.73.26	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records7 records 186ms

TXT Record
adobe-idp-site-verification=d06e7ecd2c825c6f1713b920a9533938044421bcc4040317353507834b5930d4
apple-domain-verification=jmG2dGFsEJrFBV6E
apple-domain-verification=WDBQG0Hz5HDROLOa
google-site-verification=lVzlOYc6CnAi4Dft0UuT1M42AyPMoza2WGJHPG8BbtI
tw2qYTjTlN4Apj0QSTVTSXQqXk4dL1OxAtbeVxkUAFyw1HogaUnIVzJgLXqxkRdugOOXFYj7xLQxAGEXVhK1Kw==
v=spf1 include:spf.protection.outlook.com ip4:193.162.253.130 ip4:130.226.143.24 ip4:20.71.116.37 ip4:130.226.132.32 a:mx2.itu.dk include:mailmailmail.net ip4:46.36.206.110 ~all
ZOOM_verify_guc0vJQqTgyDgzqWhbKfJw

✉️ SPF

Policy	Record (it-hojskolen.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ip4:193.162.253.130 ip4:130.226.143.24 ip4:20.71.116.37 ip4:130.226.132.32 a:mx2.itu.dk include:mailmailmail.net ip4:46.36.206.110 ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 / DANE

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

🔐 DNSSEC94ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2025052601
Primary NS (MNAME)	ns.itu.dk
Responsible (RNAME)	hostmaster@itu.dk
Refresh	3600s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	21600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

34ms

A

40ms

MX

44ms

AAAA

43ms

TXT

186ms

CAA

53ms

HTTPS

39ms

TLSA

180ms

SOA

0ms

MTA-STS

59ms

DNSSEC

94ms

SRV

57ms

Total

1233ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:38:14	1233ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 00:12:31	9060ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-17 21:52:18	27113ms	3 NS 0 A 0 MX	🔓 Insecure	View
2026-08-14 17:34:59	1412ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 02:42:50	65535ms	3 NS 1 A 0 MX	❓ Unknown	View
2026-06-26 08:48:28	2312ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 06:53:13	4440ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 03:03:10	12935ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 00:58:51	3315ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 17:55:34	13269ms	0 NS 0 A 0 MX	🔓 Insecure	View
2026-06-18 08:16:19	12661ms	3 NS 1 A 1 MX	🔓 Insecure	View