byit.dk

📜 Historical scan 2026-09-16 15:26:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byit.dk is a .dk domain served by 2 nameservers (noor.ns.cloudflare.com, sevki.ns.cloudflare.com). It was registered on 31 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.3 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. 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 148ms

Nameserver	IP addresses	PTR	ASN / ISP
noor.ns.cloudflare.com	108.162.194.74 162.159.38.74 172.64.34.74 2606:4700:50::a29f:264a 2803:f800:50::6ca2:c24a 2a06:98c1:50::ac40:224a	noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sevki.ns.cloudflare.com	108.162.195.164 162.159.44.164 172.64.35.164 2606:4700:58::a29f:2ca4 2803:f800:50::6ca2:c3a4 2a06:98c1:50::ac40:23a4	sevki.ns.cloudflare.com sevki.ns.cloudflare.com sevki.ns.cloudflare.com sevki.ns.cloudflare.com sevki.ns.cloudflare.com sevki.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 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.3	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.65	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 132ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166 185.230.214.166 185.230.214.166 185.230.214.166	mx.zoho.eu mx2.zoho.eu mx3.zoho.eu mx.zoho.eu mx2.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	300s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx.zoho.eu mx2.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	300s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx.zoho.eu mx2.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

🔷 AAAA Records (IPv6)#

2 records 154ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1f03	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:ae41	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 101ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.3,172.67.174.65 ech=AEX+DQBB+wAgACBheVc9ZNjeREzAGqu9U7vGwl7XTa028YB3ii5swYdWMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1f03,2606:4700:3035::ac43:ae41

📝 TXT Records#

1 records 275ms

TXT Record
v=spf1 include:zoho.eu ~all

✉️ SPF#

Policy	Record (byit.dk)
~all (soft fail)	v=spf1 include:zoho.eu ~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 2026-10-08 12:22:25

www	104.21.31.3 172.67.174.65 2606:4700:3031::6815:1f03 2606:4700:3035::ac43:ae41 (AS13335) (address records, no CNAME)
www vs bare domain	Same network byit.dk: 104.21.31.3 172.67.174.65 2606:4700:3031::6815:1f03 2606:4700:3035::ac43:ae41 (AS13335) www.byit.dk: 104.21.31.3 172.67.174.65 2606:4700:3031::6815:1f03 2606:4700:3035::ac43:ae41 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.byit.dk	24jtVnYbJ8-zBxFPmyhiFi4Cu87VlTPlwVemqjSSg3c
TXT	_acme-challenge.byit.dk	bdXMZb1Ivfik891VgSlYyDshn3Qe2vDT9Jmgp-r_EBA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

220ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415012084
Primary NS (MNAME)	noor.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 05:20:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-10-31
Expires	2026-10-30 (13d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
innomedic.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

148ms

101ms

132ms

AAAA

154ms

TXT

275ms

CAA

122ms

HTTPS

101ms

TLSA

443ms

SOA

0ms

MTA-STS

142ms

DNSSEC

220ms

SRV

149ms

Total

1623ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 04:22:26	1331ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-22 14:54:41	1746ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-16 15:26:34 shown	1623ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-09 13:59:09	10198ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-04 08:36:34	1130ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 08:01:33	1095ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-25 09:21:21	2517ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-10 18:21:27	3427ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-20 04:51:57	1947ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-17 20:51:02	3733ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-25 09:26:09	801ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-22 18:50:42	813ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:26:43	583ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 18:20:50	806ms	2 NS 2 A 3 MX	🔓 Insecure