cb-elteknik.dk DNS records

🖥️ Nameservers2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
derek.ns.cloudflare.com	108.162.193.154 172.64.33.154 173.245.59.154 2606:4700:58::adf5:3b9a 2803:f800:50::6ca2:c19a 2a06:98c1:50::ac40:219a	derek.ns.cloudflare.com derek.ns.cloudflare.com derek.ns.cloudflare.com derek.ns.cloudflare.com derek.ns.cloudflare.com derek.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
paloma.ns.cloudflare.com	108.162.194.168 162.159.38.168 172.64.34.168 2606:4700:50::a29f:26a8 2803:f800:50::6ca2:c2a8 2a06:98c1:50::ac40:22a8	paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.192	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.72	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	cbelteknik-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 52.101.68.3 52.101.68.5 52.101.73.19 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.218.72

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2dc0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:da48	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.192,172.67.218.72 ech=AEX+DQBBxgAgACDU02VX/J24gNRadHBUv0UeO9HK/mhXzzhdTfHDskF6WAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2dc0,2606:4700:3033::ac43:da48

📝 TXT Records2 records 140ms

TXT Record
google-site-verification=VAVap9UhxfJVrfI0SeyYfS3o_6AGkOgG620UupbezhQ
v=spf1 include:spf.protection.outlook.com include:spf.minuba.dk -all

✉️ SPF

Policy	Record (cb-elteknik.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.minuba.dk -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
TXT	_acme-challenge.cb-elteknik.dk	IxXcdL_ICBCOwgUqfdrYAkQLjKU-ClrQOyLw1HgyjDs
TXT	_acme-challenge.cb-elteknik.dk	h5XUc1UatviDzWstQfPaRVc1norglkaiLKaRYoxworU

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2413671826
Primary NS (MNAME)	derek.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

34ms

A

27ms

MX

27ms

AAAA

32ms

TXT

140ms

CAA

37ms

HTTPS

26ms

TLSA

757ms

SOA

0ms

MTA-STS

46ms

DNSSEC

103ms

SRV

62ms

Total

1962ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 16:27:07	1962ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-07 01:19:52	9504ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-04 22:14:03	4108ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 10:46:40	1914ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 03:19:31	2199ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 19:51:13	2582ms	4 NS 1 A 1 MX	🔓 Insecure	View