jhbyg.dk

📜 Historical scan 2026-06-20 22:52:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jhbyg.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 11 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jhbyg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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#

5 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	—	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.12	3600s	lb1.builder.nu	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 127ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jhbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 52.101.68.10 52.101.68.3 52.101.73.15 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.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
🔶 Autoconfig	jhbyg.dk → 212.237.249.12

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 345ms

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

📝 TXT Records#

1 records 311ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.smart-web.dk -all

✉️ SPF#

Policy	Record (jhbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.smart-web.dk -all

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-25 03:05:22

www CNAME	jhbyg.dk (all on jhbyg.dk) → 212.237.249.12 (AS48854)
www vs bare domain	Same network jhbyg.dk: 212.237.249.12 (AS48854) www.jhbyg.dk: 212.237.249.12 (AS48854)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.jhbyg.dk	jhbyg.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

84ms

Field	Value
Serial	2026061801
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@jhbyg.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-25 03:19:14

Field	Value
Registrar	GIGAHOST ApS
Registered	2001-06-11
Expires	2027-06-30 (247d)

🔗 Same registrant#

5 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
a-t-i.dk	GIGAHOST ApS
aiso.dk	GIGAHOST ApS
alt-til-isolering.dk	GIGAHOST ApS
gds-isolering.dk	GIGAHOST ApS
uldbussen.dk	GIGAHOST ApS

📋 WHOIS#

⏱️ Lookup Timing#

42ms

59ms

127ms

AAAA

76ms

TXT

311ms

CAA

80ms

HTTPS

53ms

TLSA

1012ms

SOA

84ms

MTA-STS

112ms

DNSSEC

75ms

SRV

345ms

Total

1633ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 03:05:22	1721ms	5 NS 1 A 1 MX	🔓 Insecure
2026-10-15 05:43:25	1591ms	5 NS 1 A 1 MX	🔓 Insecure
2026-10-08 12:43:59	3757ms	5 NS 1 A 1 MX	🔓 Insecure
2026-10-01 05:17:22	1433ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-24 03:09:19	1379ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-19 17:54:28	1438ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-12 15:03:15	1365ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-03 14:58:17	1185ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-27 14:57:25	799ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-20 12:04:42	1706ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-14 16:28:38	1494ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-07 15:21:17	1665ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-31 10:40:55	1776ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-23 15:53:40	9218ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-16 16:25:34	10756ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-10 00:48:30	10120ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-03 15:33:49	1266ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-26 00:23:53	1244ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-24 12:08:30	2129ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-20 22:52:29 shown	1633ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:30:20	3692ms	5 NS 1 A 1 MX	🔓 Insecure