dotnetguru.dk DNS records

🖥️ Nameservers2 records 38ms

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 Records5 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	ASPMX.L.GOOGLE.COM	209.85.233.26 2a00:1450:4010:c1e::1b	lr-in-f26.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	ALT1.ASPMX.L.GOOGLE.COM	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.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::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.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	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.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 Records2 records 223ms

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

🔏 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)

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2411785856
Primary NS (MNAME)	laura.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

58ms

MX

56ms

AAAA

39ms

TXT

223ms

CAA

53ms

HTTPS

51ms

TLSA

74ms

SOA

0ms

MTA-STS

82ms

DNSSEC

87ms

SRV

87ms

Total

931ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:01:12	931ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-08-10 01:26:28	2923ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-08-02 12:39:50	1297ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-25 21:05:23	862ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-23 11:18:24	1169ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:47:45	785ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-17 04:30:24	469ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-17 04:21:04	1125ms	2 NS 0 A 5 MX	🔓 Insecure	View