seruminstitute.dk DNS records

🖥️ Nameservers2 records 123ms

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 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
40.68.148.255	3600s	—	AS8075	Microsoft Corporation	40.68.0.0/14	🇳🇱 The Netherlands	Amsterdam

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 542ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.seruminstitute.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)

🔐 DNSSEC300ms

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

🏷️ SOA0ms

Field	Value
Serial	2477
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

123ms

A

99ms

MX

123ms

AAAA

152ms

TXT

542ms

CAA

122ms

HTTPS

125ms

TLSA

128ms

SOA

0ms

MTA-STS

219ms

DNSSEC

300ms

SRV

233ms

Total

1336ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 00:47:11	1336ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 06:52:49	9266ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 04:59:32	17237ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 04:45:07	17315ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 04:41:01	17217ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 15:51:16	10615ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 11:13:22	2767ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 11:05:54	7257ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 10:49:20	7012ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 10:15:43	7932ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 05:48:15	19114ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 08:54:48	3444ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 05:56:13	3457ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 12:09:31	13875ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 16:29:59	10020ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 16:43:00	1838ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 16:54:17	6016ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 12:21:52	13862ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 09:00:46	33230ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 08:22:10	9057ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 08:09:08	10802ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 06:20:49	25196ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 04:57:00	1458ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-21 12:37:44	5408ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-20 10:02:24	11357ms	2 NS 1 A 0 MX	🔒 Secure	View