letregnskab.dk

📜 Historical scan 2026-09-30 16:03:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

letregnskab.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.180 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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 36ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.180	600s	linux290.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	142.251.1.26 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b	lb-in-f26.1e100.net lm-in-x1b.1e100.net lm-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.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
5	600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	600s	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	600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.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#

3 records 130ms

TXT Record
google-site-verification=ZZQcWDXAju_eLncwTWH7DgjSo7cPD7Oorxwx2YpwM4U
MS=ms38496098
v=spf1 a ip4:83.221.140.45 ip4:178.72.21.226 ip4:4.231.104.172 include:_spf.google.com include:spf.simply.com ~all

✉️ SPF#

Policy	Record (letregnskab.dk)
~all (soft fail)	v=spf1 a ip4:83.221.140.45 ip4:178.72.21.226 ip4:4.231.104.172 include:_spf.google.com include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.letregnskab.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-13 07:58:39

www	93.191.156.180 (AS48854) (address records, no CNAME)
www vs bare domain	Same network letregnskab.dk: 93.191.156.180 (AS48854) www.letregnskab.dk: 93.191.156.180 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u49901836.wl087.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u49901836.wl087.sendgrid.net	RSA · ~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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026093001
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 2026-09-30 16:41:47

Field	Value
Registrar	ONE.COM A/S
Registered	2006-03-22
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

35ms

37ms

AAAA

30ms

TXT

130ms

CAA

38ms

HTTPS

28ms

TLSA

117ms

SOA

41ms

MTA-STS

52ms

DNSSEC

107ms

SRV

44ms

Total

823ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 07:58:39	1501ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-01 16:10:00	1843ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-30 16:03:49 shown	823ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-26 15:32:07	650ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-24 00:16:52	733ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-18 18:09:27	589ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-16 11:29:24	1078ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-18 07:36:30	5195ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 22:41:27	3121ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-18 13:40:10	1299ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-13 05:08:56	1330ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-03 12:13:56	3950ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-24 15:46:54	3366ms	2 NS 1 A 5 MX	⚠️ Bogus
2026-06-23 04:10:03	1163ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:42:46	1777ms	2 NS 1 A 5 MX	🔒 Secure