btx.dk

📜 Historical scan 2026-08-19 13:27:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

btx.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 20 June 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.188 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. Mail is handled by mail.btx.dk. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 310ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 335ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.92.65.188	3600s	80-92-65-188.ip.dclux.com	AS24611	Datacenter Luxembourg S.A.	80.92.64.0/19	🇱🇺 Luxembourg	Luxembourg

📧 MX Records#

1 records 352ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.btx.dk	194.239.124.1	mail.btx.dk	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

4 records 369ms

Service	Priority	Weight	Port	Target
_sip._tcp	10	5	5060	itexpe1.btx.dk
_sip._udp	10	5	5060	itexpe1.btx.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com
_xmpp-server._tcp	10	5	5269	itexpe1.btx.dk

📝 TXT Records#

3 records 734ms

TXT Record
cisco-ci-domain-verification=65fd95df9e5469fe1e80e022d071d7953808a1e8b13781b3811f6afab1b6371
MS=ms12353343
v=spf1 mx include:mailgun.org -all

✉️ SPF#

Policy	Record (btx.dk)
-all (hard fail)	v=spf1 mx include:mailgun.org -all

📨 DMARC#

Policy	Record (_dmarc.btx.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@btx.dk; ruf=mailto:dmarc@btx.dk; sp=quarantine; ri=86400

📬 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 2026-10-16 22:29:20

www	80.92.65.188 (AS24611) (address records, no CNAME)
www vs bare domain	Same network btx.dk: 80.92.65.188 (AS24611) www.btx.dk: 80.92.65.188 (AS24611)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

554ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026040425
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 22:52:27

Field	Value
Registrar	Eurodns S.A
Registered	1996-06-20
Expires	2027-06-30 (255d)

🔗 Same registrant#

6 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
b-coastline.dk	Eurodns S.A
b-copenhagen.dk	Eurodns S.A
btxretail.dk	Eurodns S.A
bxweb.dk	Eurodns S.A
ciso.dk	Eurodns S.A
edamae.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

310ms

335ms

352ms

AAAA

316ms

TXT

734ms

CAA

342ms

HTTPS

293ms

TLSA

196ms

SOA

0ms

MTA-STS

405ms

DNSSEC

554ms

SRV

369ms

Total

4790ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 22:29:19	1101ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-06 03:46:53	1248ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-05 03:40:22	581ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 03:34:02	1659ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 03:28:04	754ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 02:56:42	748ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-16 01:45:36	1709ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-29 23:12:58	635ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 07:06:30	621ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 06:42:37	1120ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-19 13:27:32 shown	4790ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-11 10:10:08	2585ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-10 09:51:35	1213ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-23 18:27:29	16871ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-22 17:52:45	924ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-04 18:51:58	1412ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-03 18:50:25	817ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 17:45:32	990ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 17:51:32	2487ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 17:36:14	1574ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 17:30:58	472ms	4 NS 1 A 1 MX	🔒 Secure