nbcom.dk DNS records

🖥️ Nameservers5 records 223ms

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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 112ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	nbcom.dk → 46.183.138.100
🔶 Autoconfig	nbcom.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 259ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records4 records 368ms

TXT Record
facebook-domain-verification=dgoyjdyhbzpdt877lg9fuqzuj5mvq2
openai-domain-verification=dv-tlnHTi1CTw9hMKRnWUdogUMk
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF

Policy	Record (nbcom.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.nbcom.dk)
p=reject	v=DMARC1; p=reject;

📬 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.nbcom.dk	nbcom.dk
TXT	nbcom.dk	facebook-domain-verification=dgoyjdyhbzpdt877lg9fuqzuj5mvq2
TXT	nbcom.dk	openai-domain-verification=dv-tlnHTi1CTw9hMKRnWUdogUMk

🔗 TLSA / DANE

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

🔐 DNSSEC223ms

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	2026090301
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@nbcom.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

223ms

A

96ms

MX

112ms

AAAA

344ms

TXT

368ms

CAA

97ms

HTTPS

111ms

TLSA

106ms

SOA

0ms

MTA-STS

165ms

DNSSEC

223ms

SRV

259ms

Total

1153ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 16:36:36	1153ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 10:31:57	1137ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 19:27:06	4656ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 20:37:29	9882ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-07 08:53:03	10289ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-03 09:56:17	9017ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 18:25:30	1092ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 03:00:04	1468ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-10 13:11:31	1188ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 14:31:39	1858ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 13:44:58	863ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 16:29:33	1088ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 12:03:19	616ms	5 NS 1 A 3 MX	🔓 Insecure	View