nchbyg.dk DNS records

🖥️ Nameservers2 records 24ms

Nameserver	IP addresses	PTR	ASN / ISP
koa.ns.cloudflare.com	108.162.195.242 162.159.44.242 172.64.35.242 2606:4700:58::a29f:2cf2 2803:f800:50::6ca2:c3f2 2a06:98c1:50::ac40:23f2	koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com koa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryleigh.ns.cloudflare.com	108.162.194.198 162.159.38.198 172.64.34.198 2606:4700:50::a29f:26c6 2803:f800:50::6ca2:c2c6 2a06:98c1:50::ac40:22c6	ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.123	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.102	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
32767	300s	nchbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 52.101.68.15 52.101.68.5 52.101.73.11 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am0pr83cu00404.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	172.67.218.102

🔷 AAAA Records (IPv6)2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:5b7b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:da66	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=104.21.91.123,172.67.218.102 ech=AEX+DQBBKgAgACAvQqH0GYmbu3KvoVqKt+Ei4tgB0R7OrKySEEIuEA2POgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5b7b,2606:4700:3035::ac43:da66

📝 TXT Records1 records 146ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (nchbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

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	2413137424
Primary NS (MNAME)	koa.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

24ms

A

29ms

MX

31ms

AAAA

26ms

TXT

146ms

CAA

35ms

HTTPS

26ms

TLSA

231ms

SOA

0ms

MTA-STS

41ms

DNSSEC

98ms

SRV

49ms

Total

1210ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:38:10	1210ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 01:23:17	1909ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 07:01:55	11136ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 20:54:38	1334ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 13:44:12	1155ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 18:19:35	3830ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 03:15:30	921ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:13:47	1278ms	2 NS 2 A 1 MX	🔓 Insecure	View