dotnetguru.dk

📜 Historical scan 2026-08-02 12:39:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dotnetguru.dk is a .dk domain served by 2 nameservers (laura.ns.cloudflare.com, vicente.ns.cloudflare.com). It was registered on 6 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no 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 54ms

Nameserver	IP addresses	PTR	ASN / ISP
laura.ns.cloudflare.com	108.162.192.183 172.64.32.183 173.245.58.183 2606:4700:50::adf5:3ab7 2803:f800:50::6ca2:c0b7 2a06:98c1:50::ac40:20b7	laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vicente.ns.cloudflare.com	108.162.195.239 162.159.44.239 172.64.35.239 2606:4700:58::a29f:2cef 2803:f800:50::6ca2:c3ef 2a06:98c1:50::ac40:23ef	vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c1e::1a 64.233.165.26	lb-in-f26.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	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	300s	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	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	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	dotnetguru.dk
🔶 Autoconfig	dotnetguru.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 182ms

TXT Record
google-site-verification=aySm_yOwzXwBJso4YDrg3vQprTnQwwEOWHWM1cAYt9M
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 13:37:30

www	Exists, no address
www vs bare domain	Neither resolves dotnetguru.dk: no address www.dotnetguru.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.dotnetguru.dk	dotnetguru.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

135ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2411003011
Primary NS (MNAME)	laura.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 10:56:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-09-06
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

39ms

51ms

AAAA

55ms

TXT

182ms

CAA

47ms

HTTPS

40ms

TLSA

60ms

SOA

0ms

MTA-STS

112ms

DNSSEC

135ms

SRV

98ms

Total

1297ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 13:37:30	854ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-29 08:19:49	695ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-25 07:15:17	9636ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-21 08:09:26	655ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-27 05:01:12	931ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-10 01:26:28	2923ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-02 12:39:50 shown	1297ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-25 21:05:23	862ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-23 11:18:24	1169ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:47:45	785ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-17 04:30:24	469ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-17 04:21:04	1125ms	2 NS 0 A 5 MX	🔓 Insecure