tekniskskolesilkeborg.dk DNS records

🖥️ Nameservers3 records 114ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records1 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.95.243.21	86400s	—	AS48854	team.blue Denmark A/S	81.95.240.0/20	🇩🇰 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 Records2 records 442ms

TXT Record
Teknisk Skole Silkeborg
uvmid=743401

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC400ms

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

🏷️ SOA0ms

Field	Value
Serial	2013122096
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

114ms

A

129ms

MX

113ms

AAAA

123ms

TXT

442ms

CAA

115ms

HTTPS

132ms

TLSA

131ms

SOA

0ms

MTA-STS

269ms

DNSSEC

400ms

SRV

267ms

Total

1257ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 13:44:07	1257ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 07:11:50	543ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 22:29:42	669ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 14:09:54	2111ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 06:04:39	10227ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 05:50:31	2640ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 17:25:28	4597ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 14:09:02	18356ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 03:13:52	4531ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 09:18:15	875ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-03 18:04:32	2053ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 20:48:32	2015ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 19:59:36	4489ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-21 13:56:53	1922ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-17 11:01:07	8677ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-11 14:10:10	2805ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-08 12:45:25	991ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-04 23:30:20	2468ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-03 12:28:36	5533ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-26 07:50:55	757ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-25 22:24:28	425ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 20:07:34	889ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 00:04:18	894ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-19 18:08:32	862ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-19 15:15:58	853ms	3 NS 1 A 0 MX	🔒 Secure	View