blivlaerer.dk DNS records

🖥️ Nameservers3 records 108ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.supportcenter.dk	87.54.32.150	—	AS3292 TDC Holding A/S
ns4	—	—	—
ns4.supportcenter.dk	2.106.7.200	ns4.supportcenter.dk	AS3292 TDC Holding A/S

🌍 A Records2 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.54.32.11	3600s	apps.akat.dk biolyt.viauc.dk blivlaerer.dk campushorsens.dk companydating.dk diplomuddannelsen-i-ledelse.dk diplomuddannelsen.dk efaa.viauc.dk flashgame.viauc.dk it-medier.viauc.dk litteraturlister.viauc.dk m.studienet.viauc.dk media-download.viauc.dk netic.viauc.dk olc.viauc.dk post.adm.sosuaarhus.dk post.sosuranders.dk post.supportcenter.dk printere.viauc.dk psykomotorikuddannelsen.dk retskilder.via.dk retskilder.viauc.dk socialnet.dk sportsclub-horsens.viauc.dk support.it-supportcentret.dk support.supportcenter.dk supportcenter.dk sygeplejerskeuddannelsen-randers.dk teamviewer.viauc.dk uc-via.dk unicollege.dk university-college.dk universitycollege.dk via-uc.dk viac.dk viaevent.dk viafusionsfest.dk viait.dk viajul.dk viasoc.dk viaucj.dk viborgseminariet.dk videa.dk vue.viauc.dk wifi.viauc.dk www.blendeddesigns.dk www.blivlaerer.dk www.blivlaerere.dk www.campushorsens.dk www.companydating.dk www.diplomuddannelsen-i-ledelse.dk www.diplomuddannelsen.dk www.psykomotorikuddannelsen.dk www.socialnet.dk www.sygeplejerskeuddannelsen-randers.dk www.uc-via.dk www.unicollege.dk www.university-college.dk www.universitycollege.dk www.via-uc.dk www.viac.dk www.viaevent.dk www.viafusionsfest.dk www.viait.dk www.viajul.dk www.viasoc.dk www.viaucj.dk www.viborgseminariet.dk www.videa.dk	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	—
87.54.32.247	3600s	apps.akat.dk campus-horsens.dk driver.via.dk	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	—

📧 MX Records1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 270ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.blivlaerer.dk)
p=reject	v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.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)

🔐 DNSSEC226ms

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

🏷️ SOA0ms

Field	Value
Serial	732
Primary NS (MNAME)	ns3.supportcenter.dk
Responsible (RNAME)	hostmaster@supportcenter.dk
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

108ms

A

57ms

MX

56ms

AAAA

131ms

TXT

270ms

CAA

154ms

HTTPS

80ms

TLSA

183ms

SOA

0ms

MTA-STS

195ms

DNSSEC

226ms

SRV

132ms

Total

1321ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 17:43:17	1321ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-28 02:48:48	602ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-24 00:41:13	2464ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-21 17:57:09	2947ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-17 01:03:36	19088ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-15 22:39:49	2959ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-10 18:42:10	856ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-07 17:20:47	696ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-08-05 08:55:02	3748ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-29 07:19:56	2827ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-24 06:41:25	740ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-21 18:04:33	1161ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-18 00:26:21	1212ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-14 13:01:10	897ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-08 10:17:40	1070ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-04 23:59:35	1158ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-03 12:02:36	2448ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-25 00:39:38	575ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 22:37:58	1243ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 21:20:54	1131ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 20:59:53	862ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 14:47:24	908ms	0 NS 2 A 0 MX	🔒 Secure	View