bygholm.dk

📜 Historical scan 2026-08-16 20:39:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygholm.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 26 May 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.119.205.42 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by bygholm-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 36ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.119.205.42	300s	dedi7672.your-server.de	AS24940	Hetzner Online GmbH	168.119.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	bygholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 52.101.68.29 52.101.73.16 52.101.73.22 52.101.73.8	mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40

🔷 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	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 145ms

TXT Record
Bygholm Landbrugsskole
MS=ms16982561
v=spf1 include:spf.protection.outlook.com include:_spf2.efif.dk Include:mail.techosting.dk include:mailgun.org ip4:168.119.39.216 -all
xkVCnE8v6t3TYAGfH6B9sKj4FY7TENfGJ1IPuEu/CE4Vhup/C22rPDoL1zwhYL8839pYou6V0ynIXxXLp2GM8w==

✉️ SPF#

Policy	Record (bygholm.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf2.efif.dk include:mail.techosting.dk include:mailgun.org ip4:168.119.39.216 -all

📨 DMARC#

Policy	Record (_dmarc.bygholm.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@bygholm.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 2026-10-15 23:33:18

www	168.119.205.42 (AS24940) (address records, no CNAME)
www vs bare domain	Same network bygholm.dk: 168.119.205.42 (AS24940) www.bygholm.dk: 168.119.205.42 (AS24940)
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#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u5089797.wl048.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u5089797.wl048.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-bygholm-dk._domainkey.efif.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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2013001054
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 2026-10-07 12:06:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-05-26
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

38ms

36ms

AAAA

35ms

TXT

145ms

CAA

57ms

HTTPS

49ms

TLSA

189ms

SOA

0ms

MTA-STS

56ms

DNSSEC

81ms

SRV

68ms

Total

1179ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 23:33:18	3271ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-13 22:46:02	3677ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-09 14:47:50	1788ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-08 12:02:51	1353ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-07 11:55:08	1629ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 09:33:44	1092ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 09:22:31	3164ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 09:03:21	17983ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 07:00:58	18220ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 05:56:36	2434ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-15 20:13:57	6877ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-07 12:11:34	945ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-02 13:52:20	1002ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-30 15:10:43	2238ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 21:48:43	818ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:42:54	850ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 10:08:58	3976ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-23 01:05:21	5493ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-19 22:32:13	2141ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-18 22:04:27	6871ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-16 20:39:44 shown	1179ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-12 16:24:32	5398ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-11 03:04:17	11390ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-09 14:36:23	3254ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-02 06:03:47	6228ms	3 NS 1 A 1 MX	🔒 Secure