t-um.dk DNS records

🖥️ Nameservers2 records 222ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.153.154.38	3600s	datalogger-test.bygstenergi.dk datalogger.bygstenergi.dk datalogger.xkn.dk demensprisen.dk klagonline.forbrug.dk mitfiskeri.dk parked.sitnet.dk	AS58282	Statens IT	185.153.152.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.um.dk	91.198.204.122	mail.um.dk	AS58282 Statens IT
10	3600s	mail2.um.dk	104.18.22.161 104.18.23.161 2606:4700::6812:16a1 2606:4700::6812:17a1	— — — —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 736ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (t-um.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.t-um.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 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)

🔐 DNSSEC231ms

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

🏷️ SOA0ms

Field	Value
Serial	266
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	900s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

222ms

A

67ms

MX

76ms

AAAA

77ms

TXT

736ms

CAA

216ms

HTTPS

72ms

TLSA

174ms

SOA

0ms

MTA-STS

131ms

DNSSEC

231ms

SRV

362ms

Total

17366ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 12:57:30	17366ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-30 06:18:23	17556ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-28 20:50:13	17659ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 18:15:51	17503ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 15:18:24	12181ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 06:08:11	17530ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-24 18:15:53	13976ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-23 17:56:04	18155ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-22 09:24:24	11363ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-21 08:59:14	18021ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-20 07:27:09	9711ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-19 06:17:26	12237ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-18 03:31:49	5327ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-16 06:12:11	14262ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-13 23:18:32	6571ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-11 08:15:46	8583ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-09 15:44:31	3598ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-06 10:47:37	9466ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-31 21:16:32	9756ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-30 15:06:29	3531ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-29 06:30:56	3759ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-27 19:24:10	9316ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-26 18:30:53	12971ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-25 17:44:51	25121ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-24 17:33:36	5776ms	2 NS 1 A 2 MX	🔒 Secure	View