btv.dk

📜 Historical scan 2026-07-02 00:01:51 · ← Latest scan

⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

3 records 34ms

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 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a	lr-in-f27.1e100.net lf-in-x1a.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.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
5	3600s	alt2.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	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.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 148ms

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#

latest probe, not this scan · 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#

57ms

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

🏷️ SOA#

37ms

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#

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

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-05-17
Expires	2028-05-31 (590d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

34ms

35ms

AAAA

36ms

TXT

148ms

CAA

42ms

HTTPS

36ms

TLSA

87ms

SOA

37ms

MTA-STS

43ms

DNSSEC

57ms

SRV

36ms

Total

793ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 23:43:54	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 shown	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