byensrens.dk

Records from scan: 2026-10-07 05:20:01 · 1339ms total · last checked 2026-10-16 20:16 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
jessica.ns.cloudflare.com	108.162.192.171 172.64.32.171 173.245.58.171 2606:4700:50::adf5:3aab 2803:f800:50::6ca2:c0ab 2a06:98c1:50::ac40:20ab	jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
merlin.ns.cloudflare.com	108.162.193.205 172.64.33.205 173.245.59.205 2606:4700:58::adf5:3bcd 2803:f800:50::6ca2:c1cd 2a06:98c1:50::ac40:21cd	merlin.ns.cloudflare.com merlin.ns.cloudflare.com merlin.ns.cloudflare.com merlin.ns.cloudflare.com merlin.ns.cloudflare.com merlin.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
104.21.87.196	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.145.183	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	byensrens-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca38::8 2a01:111:f403:ca48::10 52.101.209.28 52.101.68.15 52.101.73.153 52.101.73.155	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr02cu00203.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

🔷 AAAA Records (IPv6)#

2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:91b7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:57c4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.196,172.67.145.183 ech=AEX+DQBBPgAgACDMcDFFvCVB/CH7KcIwSMbALlhYM/0xqXOfI8FBSztMRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:91b7,2606:4700:3036::6815:57c4

📝 TXT Records#

4 records 154ms

TXT Record
ca3-a77b7c575dcd47c1974745f5ac022c56
google-site-verification=IEfzIc-esR-135DMsU4RxhERXGzidruFuNo8LP2qwX4
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#

checked 2026-10-12 10:00:03

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#

56ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2416779026
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 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

34ms

28ms

AAAA

26ms

TXT

154ms

CAA

41ms

HTTPS

29ms

TLSA

928ms

SOA

45ms

MTA-STS

42ms

DNSSEC

56ms

SRV

54ms

Total

1339ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 05:20:01 shown	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	651ms	2 NS 2 A 1 MX	🔓 Insecure