btb-it.dk

📜 Historical scan 2026-08-26 11:49:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

btb-it.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.94.138.234 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.btb-it.dk, mail-relay.tele2adsl.dk. The zone is DNSSEC-signed and validates, 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 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.94.138.234	43200s	—	AS3292	TDC Holding A/S	83.94.128.0/17	🇩🇰 Denmark	Valby

📧 MX Records#

2 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.btb-it.dk	83.94.138.234	—	AS3292 TDC Holding A/S
20	43200s	mail-relay.tele2adsl.dk	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-12 05:37:13

www	83.94.138.234 (AS3292) (address records, no CNAME)
www vs bare domain	Same network btb-it.dk: 83.94.138.234 (AS3292) www.btb-it.dk: 83.94.138.234 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

154ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

60ms

25ms

31ms

AAAA

39ms

TXT

184ms

CAA

50ms

HTTPS

33ms

TLSA

128ms

SOA

0ms

MTA-STS

62ms

DNSSEC

154ms

SRV

76ms

Total

800ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 05:37:13	364ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-24 12:35:38	612ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-13 01:38:51	1319ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-28 09:03:37	983ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 11:49:31 shown	800ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-12 15:20:29	1565ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-01 12:07:31	4630ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-18 04:39:49	779ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-15 18:53:42	5214ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-02 00:06:02	590ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 17:46:00	2891ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 17:42:22	1446ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 17:31:09	2463ms	2 NS 1 A 2 MX	🔒 Secure