certificeretgusmester.dk

📜 Historical scan 2026-06-16 20:10:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

certificeretgusmester.dk is a .dk domain served by 2 nameservers (ns1.siteground.net, ns2.siteground.net). It was registered on 10 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.249.142 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and 1 more. The zone is not DNSSEC-signed, 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 86ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.siteground.net	—	—	—
ns2.siteground.net	—	—	—

🌍 A Records#

1 records 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.214.249.142	—	142.249.214.35.bc.googleusercontent.com	AS43515	Google Ireland Limited	35.214.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records#

3 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx10.antispam.mailspamprotection.com	34.149.79.66	66.79.149.34.bc.googleusercontent.com	AS396982 Google LLC
20	—	mx20.antispam.mailspamprotection.com	34.120.156.61	61.156.120.34.bc.googleusercontent.com	AS396982 Google LLC
30	—	mx30.antispam.mailspamprotection.com	34.111.121.216	216.121.111.34.bc.googleusercontent.com	AS396982 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 202ms

TXT Record
v=spf1 +a +mx include:certificeretgusmester.dk.spf.auto.dnssmarthost.net ~all

✉️ SPF#

Policy	Record (certificeretgusmester.dk)
~all (soft fail)	v=spf1 +a +mx include:certificeretgusmester.dk.spf.auto.dnssmarthost.net ~all

📨 DMARC#

Policy	Record (_dmarc.certificeretgusmester.dk)
p=none (monitor only)	v=DMARC1; p=none; aspf=r; adkim=r;

📬 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 2026-10-16 12:34:17

www	35.214.249.142 (AS43515) (address records, no CNAME)
www vs bare domain	Same network certificeretgusmester.dk: 35.214.249.142 (AS43515) www.certificeretgusmester.dk: 35.214.249.142 (AS43515)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	certificeretgusmester.dk.default.dkim.auto.dnssmarthost.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#

162ms

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

🏷️ SOA#

85ms

Field	Value
Serial	20
Primary NS (MNAME)	ns1.siteground.net
Responsible (RNAME)	admins@siteground.com
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 21:08:06

Field	Value
Registrar	Simply.com A/S
Registered	2025-12-10
Expires	2026-12-09 (47d)

📋 WHOIS#

⏱️ Lookup Timing#

86ms

AAAA

87ms

TXT

202ms

CAA

86ms

HTTPS

83ms

TLSA

2098ms

SOA

85ms

MTA-STS

78ms

DNSSEC

162ms

SRV

0ms

Total

2724ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 20:39:53	1773ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-29 15:31:01	1326ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-09 15:54:11	4181ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-21 08:07:10	1056ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-21 05:12:08	949ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:10:34 shown	2724ms	2 NS 1 A 3 MX	🔓 Insecure