btv.dk

Records from scan: 2026-10-05 23:43:54 · 1400ms total · last checked 2026-10-17 17:03 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

btv.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.202.75.72 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 147ms

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#

3 records 148ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.202.75.72	600s	ec2-18-202-75-72.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	18.200.0.0/14	🇮🇪 Ireland	Dublin
52.30.82.76	600s	ec2-52-30-82-76.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.24.0.0/13	🇮🇪 Ireland	Dublin
99.81.43.218	600s	ec2-99-81-43-218.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	99.80.0.0/15	🇮🇪 Ireland	Dublin

📧 MX Records#

5 records 125ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c03::1b	rd-in-f27.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-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 Records#

2 records 297ms

TXT Record
BDO
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.btv.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

🧩 Web & zone#

checked 2026-10-09 04:11:46

www CNAME	btv.dk (all on btv.dk) → 18.202.75.72 52.30.82.76 99.81.43.218 (AS16509)
www vs bare domain	Same network btv.dk: 18.202.75.72 52.30.82.76 99.81.43.218 (AS16509) www.btv.dk: 18.202.75.72 52.30.82.76 99.81.43.218 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

246ms

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

🏷️ SOA#

96ms

Field	Value
Serial	2026100501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-05 23:54:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-05-17
Expires	2028-05-31 (591d)

📋 WHOIS#

⏱️ Lookup Timing#

147ms

148ms

125ms

AAAA

118ms

TXT

297ms

CAA

140ms

HTTPS

108ms

TLSA

196ms

SOA

96ms

MTA-STS

114ms

DNSSEC

246ms

SRV

163ms

Total

1400ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 23:43:54 shown	1400ms	2 NS 3 A 5 MX	🔒 Secure
2026-10-03 23:18:18	668ms	2 NS 3 A 5 MX	🔒 Secure
2026-09-30 11:26:38	1061ms	2 NS 3 A 5 MX	🔒 Secure
2026-09-25 10:53:29	772ms	2 NS 3 A 5 MX	🔒 Secure
2026-09-21 22:04:04	2427ms	2 NS 3 A 5 MX	🔒 Secure
2026-08-27 04:04:08	867ms	2 NS 3 A 5 MX	🔒 Secure
2026-07-26 23:52:12	7211ms	2 NS 3 A 5 MX	🔒 Secure
2026-07-02 00:01:51	793ms	2 NS 3 A 5 MX	🔒 Secure
2026-06-16 17:46:11	2470ms	2 NS 3 A 5 MX	🔒 Secure
2026-06-16 17:41:20	6702ms	2 NS 3 A 5 MX	🔒 Secure
2026-06-16 17:30:58	2826ms	2 NS 3 A 5 MX	🔒 Secure