byensrens.dk

📜 Historical scan 2026-06-16 18:10:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byensrens.dk is a .dk domain served by 2 nameservers (jessica.ns.cloudflare.com, merlin.ns.cloudflare.com). It was registered on 10 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.87.196 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by byensrens-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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
jessica.ns.cloudflare.com	—	—	—
merlin.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.196	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.145.183	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	byensrens-dk.mail.protection.outlook.com	52.101.68.12 52.101.68.27 52.101.73.16 52.101.73.19	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:91b7	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:57c4	—	—	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=104.21.87.196,172.67.145.183 ech=AEX+DQBBiQAgACB6fwZmiM8HN6m0zArqRqb3a8Bz4w83oH5zMt0Ta81SRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:91b7,2606:4700:3036::6815:57c4

📝 TXT Records#

4 records 126ms

TXT Record
ca3-a77b7c575dcd47c1974745f5ac022c56
google-site-verification=-FaR9hODUIvgsXRMPLrjH8IgwCH5O2qEOYmjhecJHf4
MS=ms36314072
v=spf1 a include:spf.protection.outlook.com ip4:194.150.113.0/24 ip4:194.150.112.0/24 include:92450eaf.ppspf.net ~all

✉️ SPF#

Policy	Record (byensrens.dk)
~all (soft fail)	v=spf1 a include:spf.protection.outlook.com ip4:194.150.113.0/24 ip4:194.150.112.0/24 include:92450eaf.ppspf.net ~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 2026-10-24 02:31:43

www	104.21.87.196 172.67.145.183 2606:4700:3034::ac43:91b7 2606:4700:3036::6815:57c4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network byensrens.dk: 104.21.87.196 172.67.145.183 2606:4700:3034::ac43:91b7 2606:4700:3036::6815:57c4 (AS13335) www.byensrens.dk: 104.21.87.196 172.67.145.183 2606:4700:3034::ac43:91b7 2606:4700:3036::6815:57c4 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

121ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2403905038
Primary NS (MNAME)	jessica.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 02:39:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-02-10
Expires	2027-02-28 (127d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

31ms

33ms

AAAA

37ms

TXT

126ms

CAA

32ms

HTTPS

33ms

TLSA

103ms

SOA

29ms

MTA-STS

38ms

DNSSEC

121ms

SRV

0ms

Total

651ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 02:31:43	577ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-07 05:20:01	1339ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 22:37:49	659ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 13:08:38	831ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:56:22	868ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 10:25:41	1188ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 21:47:03	925ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 17:34:43	1396ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 17:08:03	2209ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-31 11:34:32	1505ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-29 12:56:51	1870ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 15:11:14	1693ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:10:07 shown	651ms	2 NS 2 A 1 MX	🔓 Insecure