btx.dk DNS records

🖥️ Nameservers4 records 38ms

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 Records1 records 35ms

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 Records1 records 37ms

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 Records4 records 73ms

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 Records3 records 205ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026040428
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

35ms

MX

37ms

AAAA

43ms

TXT

205ms

CAA

41ms

HTTPS

34ms

TLSA

78ms

SOA

0ms

MTA-STS

58ms

DNSSEC

104ms

SRV

73ms

Total

635ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 23:12:58	635ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 07:06:30	621ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 06:42:37	1120ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 13:27:32	4790ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 10:10:08	2585ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 09:51:35	1213ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 18:27:29	16871ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 17:52:45	924ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 18:51:58	1412ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 18:50:25	817ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 17:45:32	990ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:51:32	2487ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:36:14	1574ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:30:58	472ms	4 NS 1 A 1 MX	🔒 Secure	View