costabiler.dk

Records from scan: 2026-10-04 14:34:21 · 906ms total · last checked 2026-10-20 03:04 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

costabiler.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 November 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.31.236.50 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 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 45ms

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#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.31.236.50	3600s	aws.autokatti.com	AS16509	Amazon.com, Inc.	52.24.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records#

7 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c1e::1a	lr-in-f27.1e100.net lb-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	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
20	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx5.googlemail.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 Records#

2 records 160ms

TXT Record
Sendinblue-code:1ff53460cc55be2fc45d1c10da0db6b5
v=spf1 include:_spf.google.com include:spf.sendinblue.com include:aws.autokatti.com a mx ~all

✉️ SPF#

Policy	Record (costabiler.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.sendinblue.com include:aws.autokatti.com a mx ~all

📨 DMARC#

Policy	Record (_dmarc.costabiler.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; 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

🧩 Web & zone#

checked 2026-10-08 15:42:31

www	52.31.236.50 (AS16509) (address records, no CNAME)
www vs bare domain	Same network costabiler.dk: 52.31.236.50 (AS16509) www.costabiler.dk: 52.31.236.50 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 5/10 · policy: ~all

error include:aws.autokatti.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026100301
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 2026-10-04 14:58:58

Field	Value
Registrar	ONE.COM A/S
Registered	2005-11-09
Expires	2026-11-30 (40d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

39ms

55ms

AAAA

35ms

TXT

160ms

CAA

44ms

HTTPS

48ms

TLSA

112ms

SOA

45ms

MTA-STS

61ms

DNSSEC

116ms

SRV

53ms

Total

906ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 14:34:21 shown	906ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-25 13:24:27	741ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-13 16:13:34	893ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-07 08:38:13	1096ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-30 05:23:56	2039ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-27 12:13:34	1143ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-13 09:07:40	6118ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-03 23:08:01	9383ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-02 08:53:41	5301ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-03 15:00:34	886ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-01 11:03:14	1076ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-24 17:33:05	926ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-21 17:30:09	8922ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-21 14:49:29	1180ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 21:22:32	7727ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-16 22:35:21	663ms	2 NS 1 A 7 MX	🔒 Secure