www-bt.dk DNS records

🖥️ Nameservers2 records 35ms

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 Records3 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.229.227.235	600s	ec2-54-229-227-235.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.228.0.0/14	🇮🇪 Ireland	Dublin
99.81.92.240	600s	ec2-99-81-92-240.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	99.80.0.0/15	🇮🇪 Ireland	Dublin
99.81.96.47	600s	ec2-99-81-96-47.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	99.80.0.0/15	🇮🇪 Ireland	Dublin

📧 MX Records5 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c1e::1b 64.233.162.27	lb-in-f27.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 159ms

TXT Record
BDO
v=spf1 -all

✉️ SPF

Policy	Record (www-bt.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.www-bt.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:zurbc63x@ag.eu.dmarcadvisor.com; ruf=mailto:zurbc63x@fr.eu.dmarcadvisor.com; fo=1; pct=100

📬 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)

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

36ms

MX

47ms

AAAA

35ms

TXT

159ms

CAA

34ms

HTTPS

48ms

TLSA

128ms

SOA

0ms

MTA-STS

72ms

DNSSEC

92ms

SRV

72ms

Total

765ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:37:38	765ms	2 NS 3 A 5 MX	🔒 Secure	View
2026-06-25 11:35:23	2504ms	2 NS 3 A 5 MX	🔒 Secure	View
2026-06-23 14:49:13	5833ms	2 NS 3 A 5 MX	🔒 Secure	View
2026-06-23 03:04:40	920ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:37:09	867ms	2 NS 3 A 5 MX	🔒 Secure	View