silkeborg-handelsskole.dk

📜 Historical scan 2026-06-17 21:09:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

silkeborg-handelsskole.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 15 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.efif.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 119ms

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 Records#

1 records 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.251.4.118	—	vm0845.enterprisecloud.nu	AS48854	—	—	—	—

📧 MX Records#

1 records 119ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.efif.dk	195.254.168.32	mail.efif.dk	AS51073 Aarhus Business College

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 206ms

TXT Record
b/HAQ7loVUT/SqYa+493z8ADbZwNcHi6wFpi7ma/1C9oB32ScW85QPIWyf15sfsPm/JNjtazTh7lPD10MwGlCA==
Handelsskolen Silkeborg
MS=ms10982013
MS=ms55154756
v=spf1 redirect=_spf.efif.dk

✉️ SPF#

Policy	Record (silkeborg-handelsskole.dk)
redirect=_spf.efif.dk	v=spf1 redirect=_spf.efif.dk

📨 DMARC#

Policy	Record (_dmarc.silkeborg-handelsskole.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:analyze@efif.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-25 03:10:15

www	178.251.4.118 (AS48854) (address records, no CNAME)
www vs bare domain	Same network silkeborg-handelsskole.dk: 178.251.4.118 (AS48854) www.silkeborg-handelsskole.dk: 178.251.4.118 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

154ms

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

🏷️ SOA#

106ms

Field	Value
Serial	2012012412
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 14:05:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-01-15
Expires	2027-01-31 (97d)

🔗 Same registrant#

14 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
c360.dk	Punktum dk A/S (direct)
college360.dk	Punktum dk A/S (direct)
handelsskolen-silkeborg.dk	Punktum dk A/S (direct)
handelsskolensilkeborg.dk	Punktum dk A/S (direct)
hssilke.dk	Punktum dk A/S (direct)
hssilkeborg.dk	Punktum dk A/S (direct)
hsskyen.dk	Punktum dk A/S (direct)
kursuscenteret.dk	Punktum dk A/S (direct)
learnsilkeborg.dk	Punktum dk A/S (direct)
piu-sekretariatet.dk	Punktum dk A/S (direct)
piu.dk	Punktum dk A/S (direct)
silkeborghs.dk	Punktum dk A/S (direct)
silkehs.dk	Punktum dk A/S (direct)
uddannelsetiloplevelse.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

119ms

116ms

119ms

AAAA

96ms

TXT

206ms

CAA

133ms

HTTPS

88ms

TLSA

203ms

SOA

106ms

MTA-STS

92ms

DNSSEC

154ms

SRV

0ms

Total

1022ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 03:10:15	496ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-19 14:45:36	769ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-16 13:39:10	2294ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 08:36:09	838ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-08 18:46:54	1701ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-07 18:40:11	1602ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 18:00:43	886ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 17:49:50	467ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 05:46:08	3035ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 04:56:41	2882ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 03:36:48	4446ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-21 20:46:11	2987ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 02:42:00	1029ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 00:24:30	666ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-05 22:21:10	460ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-30 09:01:59	439ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 15:45:15	773ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 22:26:30	450ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 15:22:24	3053ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-19 08:30:02	6664ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-18 08:28:23	770ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-13 07:16:54	8609ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-10 02:21:15	3388ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-05 02:30:29	6995ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-26 19:47:06	6636ms	3 NS 1 A 1 MX	🔒 Secure