byg-kloak.dk

📜 Historical scan 2026-08-31 08:32:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byg-kloak.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 11 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.49 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by bygkloak-dk0i.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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.49	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.63	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bygkloak-dk0i.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 2a01:111:f403:ca09::a 52.101.68.15 52.101.68.27 52.101.73.126 52.101.73.22	mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am8pr83cu00106.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	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	104.21.3.49

🔷 AAAA Records (IPv6)#

2 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:331	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:823f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.49,172.67.130.63 ech=AEX+DQBBQQAgACBtF7/ThjOfH+1+bDtONdesiUKXLtukdZHiLTdCTMIiagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:331,2606:4700:3036::ac43:823f

🔌 SRV Records#

1 records 61ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 154ms

TXT Record
google-site-verification=B_RGwHbtup2Kblu1rUkqsw5I0MxJLcQVoKrHbjJ8l-I
google-site-verification=sXwZExJ1ovqghkEmJor5Ur1cxsBS0rvSq47tXtc-VLw
MS=ms88788755
v=spf1 include:spf.webhosting.dk include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (byg-kloak.dk)
~all (soft fail)	v=spf1 include:spf.webhosting.dk 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 2026-10-16 04:02:27

www	104.21.3.49 172.67.130.63 2606:4700:3034::6815:331 2606:4700:3036::ac43:823f (AS13335) (address records, no CNAME)
www vs bare domain	Same network byg-kloak.dk: 104.21.3.49 172.67.130.63 2606:4700:3034::6815:331 2606:4700:3036::ac43:823f (AS13335) www.byg-kloak.dk: 104.21.3.49 172.67.130.63 2606:4700:3034::6815:331 2606:4700:3036::ac43:823f (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.byg-kloak.dk	nbNKUui1x3GieYgANr2MXzQ6-Wkp7lCzws1oxFGsuac
TXT	_acme-challenge.byg-kloak.dk	uqXYzaNTRVQjzFsKzsRYSDjgz_MrY73__CKLOgIO9tk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

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	2413611311
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 23:56:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-02-11
Expires	2027-02-28 (132d)

🔗 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
tommckenzie.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

29ms

AAAA

28ms

TXT

154ms

CAA

34ms

HTTPS

45ms

TLSA

590ms

SOA

0ms

MTA-STS

43ms

DNSSEC

102ms

SRV

61ms

Total

1176ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 05:15:15	2769ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 15:05:26	2464ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 08:25:06	1473ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 13:53:34	1576ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 12:38:27	1626ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 08:32:46 shown	1176ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 16:39:26	1563ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-14 12:33:41	1594ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:10:14	703ms	2 NS 2 A 1 MX	🔓 Insecure