hogym.dk

📜 Historical scan 2026-08-31 12:07:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hogym.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 10 July 1995 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.166.22.221 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by hogym-dk.mail.protection.outlook.com. 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 41ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.166.22.221	3600s	—	AS14061	DigitalOcean, LLC	188.166.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	hogym-dk.mail.protection.outlook.com	2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca09::4 2a01:111:f403:ca48::a 52.101.103.143 52.101.68.12 52.101.73.30 52.101.73.6	mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 68ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	1	100	5061	sipfed.online.lync.com.hogym.dk

📝 TXT Records#

7 records 152ms

TXT Record
5kbcqupa6h551lp7qtrcs2okuc
Holstebro Gymnasium og HF
inst=Holstebro Gymnasium og HF
p4vcm8pavuijhs4e8lujlkmb96
rqfa8ocbfjs89v1sg7vajnk56a
uvmid=661015
v=spf1 include:spf.comendosystems.com include:spf.protection.outlook.com include:mail.ithozting.dk ip4:40.68.78.215 -all

✉️ SPF#

Policy	Record (hogym.dk)
-all (hard fail)	v=spf1 include:spf.comendosystems.com include:spf.protection.outlook.com include:mail.ithozting.dk ip4:40.68.78.215 -all

📨 DMARC#

Policy	Record (_dmarc.hogym.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:64e88d13a948b@dmarc.centerasecurity.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 20:58:12

www	188.166.22.221 (AS14061) (address records, no CNAME)
www vs bare domain	Same network hogym.dk: 188.166.22.221 (AS14061) www.hogym.dk: 188.166.22.221 (AS14061)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-hogym-dk._domainkey.holstebrogymnasiumoghf.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2023062124
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 15:20:44

Field	Value
Registrar	GIGAHOST ApS
Registered	1995-07-10
Expires	2027-09-30 (347d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

41ms

27ms

28ms

AAAA

33ms

TXT

152ms

CAA

27ms

HTTPS

27ms

TLSA

327ms

SOA

0ms

MTA-STS

35ms

DNSSEC

94ms

SRV

68ms

Total

1709ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 20:58:12	1562ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-15 16:08:34	6574ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 15:58:42	2068ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-13 14:54:20	1395ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-11 07:14:47	2562ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-10 05:24:06	1683ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-07 13:10:22	4389ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-05 06:41:30	957ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 06:31:13	1274ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:21:01	842ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 09:44:04	700ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 12:36:19	4560ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-28 12:30:37	854ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 12:17:53	2619ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:30:30	2514ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-21 01:55:57	2500ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-19 13:29:56	2461ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-16 04:06:33	3197ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 20:43:39	2487ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-04 18:25:22	1115ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-31 12:07:50 shown	1709ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 03:04:05	1133ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 02:34:44	956ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 17:01:19	1198ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-25 03:36:34	9799ms	3 NS 1 A 1 MX	🔒 Secure