blivhd.dk DNS records

🖥️ Nameservers3 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sdu.dk	130.225.155.136	ns1.sdu.dk	AS1835 IDDQD-AS
ns2.sdu.dk	130.225.155.148	ns2.sdu.dk	AS1835 IDDQD-AS
ns3.sdu.dk	193.163.227.4	ns3.sdu.dk	AS44328 Region Syddanmark

🌍 A Records1 records 21ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.156.23	3600s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 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 Records3 records 182ms

TXT Record
inst=CVUHandelsh\195\184jskolecentretSlagelse
uvmid=333410
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.blivhd.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk

📬 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)

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2011044888
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@it-service.sdu.dk
Refresh	3600s
Retry	360s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

27ms

A

21ms

MX

19ms

AAAA

29ms

TXT

182ms

CAA

21ms

HTTPS

16035ms

TLSA

53ms

SOA

0ms

MTA-STS

71ms

DNSSEC

91ms

SRV

65ms

Total

16403ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:40:12	16403ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 09:57:53	4337ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 17:03:54	11105ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 01:28:20	8749ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 00:00:34	8647ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 21:24:54	4526ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 14:45:27	3557ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-03 03:42:51	10696ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 07:15:59	24486ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 05:47:13	8821ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 04:50:28	9520ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-21 12:23:33	4407ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-20 07:50:32	4427ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 13:15:12	16504ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-14 01:20:57	16535ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-12 19:30:03	16625ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-08 10:34:42	16862ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-04 21:32:20	7041ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-02 15:26:42	9409ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-24 08:24:38	6824ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 17:16:50	4786ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 03:23:10	4429ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-18 14:58:47	4754ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-16 14:48:05	4360ms	3 NS 1 A 0 MX	🔒 Secure	View