bt.dk

Records from scan: 2026-09-27 00:54:34 · 3503ms total · last checked 2026-10-15 21:00 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bt.dk is a .dk domain served by 4 nameservers (ns-1028.awsdns-00.org, ns-1897.awsdns-45.co.uk, ns-432.awsdns-54.com and 1 more). It was registered on 10 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.9.106.122 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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#

4 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1028.awsdns-00.org	205.251.196.4 2600:9000:5304:400::1	ns-1028.awsdns-00.org ns-1028.awsdns-00.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1897.awsdns-45.co.uk	205.251.199.105 2600:9000:5307:6900::1	ns-1897.awsdns-45.co.uk ns-1897.awsdns-45.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-432.awsdns-54.com	205.251.193.176 2600:9000:5301:b000::1	ns-432.awsdns-54.com ns-432.awsdns-54.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-990.awsdns-59.net	205.251.195.222 2600:9000:5303:de00::1	ns-990.awsdns-59.net ns-990.awsdns-59.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

4 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
65.9.106.122	60s	server-65-9-106-122.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	65.8.0.0/14	🇺🇸 United States	—
65.9.106.36	60s	server-65-9-106-36.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	65.8.0.0/14	🇺🇸 United States	—
65.9.106.89	60s	server-65-9-106-89.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	65.8.0.0/14	🇺🇸 United States	—
65.9.106.92	60s	server-65-9-106-92.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	65.8.0.0/14	🇺🇸 United States	—

📧 MX Records#

5 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a	lr-in-f26.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-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#

15 records 255ms

TXT Record
DBO
docusign=5002b1be-d38d-49e8-a3c2-190fae7be914
docusign=b9b660d9-2c70-4777-a009-567f973e9a7e
facebook-domain-verification=np3c30lskd6ibfnvwf2hjue73rzmgx
google-site-verification=6CW3_5qeaI5nW8LtLwAHMGR2bT_PxP076OuC0yWEvzw
google-site-verification=CSEMR5Bv4mkCmKuj3vPh8QfKsIq2gJAnZQyXraMr1yE
google-site-verification=DAQlWGGp4_r7f5XuAUepRlFITb-HAONt6icMCd-2UWw
google-site-verification=KOdo1HMlUXc5c93BkrCDZ1GHv9VRGDfKyXF1Zcl5UXI
google-site-verification=MFqaEEY-lwt2YqoUAzYHD3E7EovZhzWLPGJAf_ew-7Y
google-site-verification=nhtnq1e1Yfe-3YFgUtPjjP9RfrcJ7lNqYC49zpRFbVg
google-site-verification=oNbQkDAxc331-pW8FSA_2ne_jyB2bjwku1-kqiSVfik
google-site-verification=P5n1EArQ0PqORsBv9M3inR8T_LIMSNNEinGN3w1xdpo
google-site-verification=shLaIdX60al1iuN-5pjzXqAFnbEsfFyA4sCWBbjMEXc
google-site-verification=yYEJXlSACju11E3jv8h8re68BviCUin8BcfrzC_Ln78
v=spf1 include:_u.bt.dk._spf.dmarcly.com include:mail.zendesk.com -all

✉️ SPF#

Policy	Record (bt.dk)
-all (hard fail)	v=spf1 include:_u.bt.dk._spf.dmarcly.com include:mail.zendesk.com -all

📨 DMARC#

Policy	Record (_dmarc.bt.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:5e440eaecbab4@ag.dmarcly.com; ruf=mailto:5e440eaecbab4@fo.dmarcly.com; sp=reject; adkim=s; pct=100; fo=1;

📬 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 2026-10-10 13:16:48

www CNAME	web.avis.api.no.cdn.cloudflare.net (all on cloudflare.net) → 104.18.22.107 104.18.23.107 2606:4700::6812:166b 2606:4700::6812:176b (AS13335)
www vs bare domain	Different networks bt.dk: 65.9.106.122 65.9.106.36 65.9.106.89 65.9.106.92 (AS16509) www.bt.dk: 104.18.22.107 104.18.23.107 2606:4700::6812:166b 2606:4700::6812:176b (AS13335) (all like this)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u276253.wl004.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u276253.wl004.sendgrid.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1028.awsdns-00.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-10 06:30:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-11-10
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

25ms

AAAA

47ms

TXT

255ms

CAA

58ms

HTTPS

57ms

TLSA

96ms

SOA

0ms

MTA-STS

78ms

DNSSEC

115ms

SRV

65ms

Total

3503ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 00:54:34 shown	3503ms	4 NS 4 A 5 MX	🔓 Insecure
2026-07-01 23:52:50	4639ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-16 17:44:54	3062ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-16 17:34:55	7523ms	4 NS 4 A 5 MX	🔓 Insecure
2026-06-16 17:30:39	831ms	4 NS 4 A 5 MX	🔓 Insecure