aarhustrailbuilders.dk

Records from scan: 2026-10-12 19:50:34 · 732ms total · last checked 2026-10-17 01:34 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhustrailbuilders.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 14 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.54 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 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.54	3600s	linux378.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

5 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.222.27 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b	lo-in-f27.1e100.net le-in-f27.1e100.net le-in-x1b.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	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.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	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.20.205.54
🔶 Autoconfig	185.20.205.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 110ms

TXT Record
google-site-verification=q_9CnO2l9Lo1Ii1ROMylyw8kK1bQsQa0RmWCK-X-3Lk
v=spf1 include:spf.simply.com include:_spf.google.com ~all

✉️ SPF#

Policy	Record (aarhustrailbuilders.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.aarhustrailbuilders.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@aarhustrailbuilders.dk

📬 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 2026-10-12 19:50:34

www	185.20.205.54 (AS48854) (address records, no CNAME)
www vs bare domain	Same network aarhustrailbuilders.dk: 185.20.205.54 (AS48854) www.aarhustrailbuilders.dk: 185.20.205.54 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

🏷️ SOA#

21ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 20:13:32

Field	Value
Registrar	Simply.com A/S
Registered	2020-11-14
Expires	2027-11-30 (409d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

29ms

31ms

AAAA

33ms

TXT

110ms

CAA

36ms

HTTPS

28ms

TLSA

118ms

SOA

21ms

MTA-STS

49ms

DNSSEC

114ms

SRV

51ms

Total

732ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 19:50:34 shown	732ms	4 NS 1 A 5 MX	🔓 Insecure
2026-10-09 14:18:00	852ms	4 NS 1 A 5 MX	🔓 Insecure
2026-10-02 10:02:02	588ms	4 NS 1 A 5 MX	🔓 Insecure
2026-09-27 08:21:07	606ms	4 NS 1 A 5 MX	🔓 Insecure
2026-07-02 02:14:21	1911ms	4 NS 1 A 5 MX	🔓 Insecure
2026-07-02 00:59:18	833ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-16 12:38:36	654ms	4 NS 1 A 5 MX	🔓 Insecure