jhbyg.dk DNS records

🖥️ Nameservers5 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	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 Records1 records 30ms

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 Records1 records 186ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jhbyg-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::10 2a01:111:f403:ca09::1 2a01:111:f403:ca09::28 52.101.103.140 52.101.73.2 52.101.73.4 52.101.73.8	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8
🔶 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 Records1 records 194ms

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

📝 TXT Records1 records 133ms

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

🔏 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)

🔐 DNSSEC250ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@jhbyg.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-08-07 15:28:56

Field	Value
Registrar	GIGAHOST ApS
Registered	2001-06-11
Expires	2027-06-30 (301d)

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

30ms

MX

186ms

AAAA

35ms

TXT

133ms

CAA

25ms

HTTPS

36ms

TLSA

165ms

SOA

0ms

MTA-STS

183ms

DNSSEC

250ms

SRV

194ms

Total

799ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:57:25	799ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 12:04:42	1706ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 16:28:38	1494ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-07 15:21:17	1665ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-31 10:40:55	1776ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 15:53:40	9218ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 16:25:34	10756ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 00:48:30	10120ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 15:33:49	1266ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 00:23:53	1244ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 12:08:30	2129ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 22:52:29	1633ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:30:20	3692ms	5 NS 1 A 1 MX	🔓 Insecure	View