n-byg.dk

📜 Historical scan 2026-09-26 21:39:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

n-byg.dk is a .dk domain served by 2 nameservers (elliott.ns.cloudflare.com, mira.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.232 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and 1 more. The zone is not DNSSEC-signed, publishes a 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
elliott.ns.cloudflare.com	108.162.195.228 162.159.44.228 172.64.35.228 2606:4700:58::a29f:2ce4 2803:f800:50::6ca2:c3e4 2a06:98c1:50::ac40:23e4	elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mira.ns.cloudflare.com	108.162.192.204 172.64.32.204 173.245.58.204 2606:4700:50::adf5:3acc 2803:f800:50::6ca2:c0cc 2a06:98c1:50::ac40:20cc	mira.ns.cloudflare.com mira.ns.cloudflare.com mira.ns.cloudflare.com mira.ns.cloudflare.com mira.ns.cloudflare.com mira.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.232	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.143.33	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx10.antispam.mailspamprotection.com	34.149.79.66	66.79.149.34.bc.googleusercontent.com	AS396982 Google LLC
20	300s	mx20.antispam.mailspamprotection.com	34.120.156.61	61.156.120.34.bc.googleusercontent.com	AS396982 Google LLC
30	300s	mx30.antispam.mailspamprotection.com	34.111.121.216	216.121.111.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.54.232
🔶 Autoconfig	104.21.54.232

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:36e8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:8f21	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.232,172.67.143.33 ech=AEX+DQBBGQAgACBrJ96InNwWTYSATlTsB1MQFF1GV214wknOgnJRMG9JLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:36e8,2606:4700:3034::ac43:8f21

📝 TXT Records#

3 records 178ms

TXT Record
google-site-verification=BlUnD62CdFs3uO1Fz2Eh1z9Kf9uYlY0OzHU692RI_6o
google-site-verification=r4f00lwEkCDXLHR9uqVGr4JMEtU2N_fGON9CdtGdam0
v=spf1 +a +mx include:n-byg.dk.spf.auto.dnssmarthost.net ~all

✉️ SPF#

Policy	Record (n-byg.dk)
~all (soft fail)	v=spf1 +a +mx include:n-byg.dk.spf.auto.dnssmarthost.net ~all

📨 DMARC#

Policy	Record (_dmarc.n-byg.dk)
p=none (monitor only)	v=DMARC1; p=none; aspf=r; adkim=r;

📬 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 2026-10-07 16:00:52

www	104.21.54.232 172.67.143.33 2606:4700:3032::6815:36e8 2606:4700:3034::ac43:8f21 (AS13335) (address records, no CNAME)
www vs bare domain	Same network n-byg.dk: 104.21.54.232 172.67.143.33 2606:4700:3032::6815:36e8 2606:4700:3034::ac43:8f21 (AS13335) www.n-byg.dk: 104.21.54.232 172.67.143.33 2606:4700:3032::6815:36e8 2606:4700:3034::ac43:8f21 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9072ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414663249
Primary NS (MNAME)	elliott.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#

40ms

30ms

55ms

AAAA

43ms

TXT

178ms

CAA

43ms

HTTPS

44ms

TLSA

67ms

SOA

0ms

MTA-STS

59ms

DNSSEC

9072ms

SRV

66ms

Total

9569ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 16:00:52	671ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-02 15:08:31	566ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-26 21:39:26 shown	9569ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-18 06:56:42	854ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-13 20:23:07	1405ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 10:56:29	1011ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 10:45:51	632ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-25 01:03:26	1999ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-13 20:15:01	9489ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-12 14:20:24	745ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-11 09:02:02	1028ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-15 23:05:28	1015ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-23 03:53:38	7948ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-21 04:06:37	923ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:19:29	725ms	2 NS 2 A 3 MX	🔓 Insecure