nchbyg.dk

📜 Historical scan 2026-06-22 18:19:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nchbyg.dk is a .dk domain served by 2 nameservers (koa.ns.cloudflare.com, ryleigh.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.123 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by nchbyg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 42ms

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 Records#

2 records 43ms

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 Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
32767	300s	nchbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.21 52.101.68.32 52.101.73.28	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am7pr05cu00204.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	104.21.91.123

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:5b7b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:da66	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.123,172.67.218.102 ech=AEX+DQBB2wAgACAbKO5MwSeldLh98bnoG4oxcP7XK8GgmDwzHtDzGChCUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5b7b,2606:4700:3036::ac43:da66

📝 TXT Records#

1 records 233ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-09-30 03:30:46

www	Address record (no CNAME)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2403661466
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

42ms

43ms

35ms

AAAA

40ms

TXT

233ms

CAA

42ms

HTTPS

33ms

TLSA

881ms

SOA

38ms

MTA-STS

40ms

DNSSEC

115ms

SRV

2129ms

Total

3830ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 02:29:58	829ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 18:55:54	4826ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 07:31:54	2332ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 18:38:10	1210ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 01:23:17	1909ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 07:01:55	11136ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 20:54:38	1334ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 13:44:12	1155ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 18:19:35 shown	3830ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 03:15:30	921ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:13:47	1278ms	2 NS 2 A 1 MX	🔓 Insecure