nbs4.dk

📜 Historical scan 2026-06-18 05:54:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nbs4.dk is a .dk domain served by 2 nameservers (ns1.telecomx.dk, ns2.telecomx.dk). It was registered on 6 September 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.79.112 is hosted by Powernet Aps (AS205984) in Denmark. Mail is handled by mx1.onwelcom.dk, mx2.onwelcom.dk. 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#

2 records 96ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.telecomx.dk	62.192.160.190	ns1.telecomx.dk	AS205984 Powernet Aps
ns2.telecomx.dk	62.192.160.191	ns2.telecomx.dk	AS205984 Powernet Aps

🌍 A Records#

1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.51.79.112	—	ph01.powernet.dk	AS205984	Powernet Aps	185.51.78.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 136ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	mx1.onwelcom.dk	185.51.79.248	mailfilter.powernet.dk	AS205984 Powernet Aps
5	—	mx2.onwelcom.dk	185.51.79.248	mailfilter.powernet.dk	AS205984 Powernet Aps

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	127.0.0.1
🔶 Autoconfig	nbs4.dk → 185.51.79.112

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 170ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	exchange.onwelcom.dk

📝 TXT Records#

1 records 284ms

TXT Record
v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all

✉️ SPF#

Policy	Record (nbs4.dk)
-all (hard fail)	v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -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 2026-10-09 04:10:47

www CNAME	nbs4.dk (all on nbs4.dk) → 185.51.79.112 (AS205984)
www vs bare domain	Same network nbs4.dk: 185.51.79.112 (AS205984) www.nbs4.dk: 185.51.79.112 (AS205984)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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

🏷️ SOA#

67ms

Field	Value
Serial	16
Primary NS (MNAME)	ns1.telecomx.dk
Responsible (RNAME)	hostmaster@telecomx.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 04:21:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-09-06
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

96ms

68ms

136ms

AAAA

92ms

TXT

284ms

CAA

117ms

HTTPS

52ms

TLSA

58ms

SOA

67ms

MTA-STS

89ms

DNSSEC

105ms

SRV

170ms

Total

687ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 04:01:52	759ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-05 22:24:22	659ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 20:36:34	487ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-19 23:56:48	4450ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-06 10:35:35	4545ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-02 14:55:32	533ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 15:21:29	1345ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-18 05:54:24 shown	687ms	2 NS 1 A 2 MX	🔓 Insecure