byensrens.dk

📜 Historical scan 2026-08-13 17:08:03  ·  ← 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
NameserverIP addressesPTRASN / 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   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s byensrens-dk.mail.protection.outlook.com 2a01:111:f403:ca04::
2a01:111:f403:ca04::4
2a01:111:f403:ca04::b
2a01:111:f403:ca09::1
52.101.68.12
52.101.68.32
52.101.68.5
52.101.73.2		 mail-db3pr0202cu00100.inbound.protection.outlook.com
mail-db4pr02cu00204.inbound.protection.outlook.com
mail-dbbpr03cu00103.inbound.protection.outlook.com
mail-as9pr07cu00301.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-du2pr03cu00105.inbound.protection.outlook.com
mail-as9pr07cu00302.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   51ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.87.196,172.67.145.183 ech=AEX+DQBBCgAgACA/VNWn+mr8WjdM8jmWe0+MEaqyAetdGV+kdMMIPBAnHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:91b7,2606:4700:3036::6815:57c4

📝 TXT Records#

4 records   199ms
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#

PolicyRecord (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
www104.21.87.196 172.67.145.183 2606:4700:3034::ac43:91b7 2606:4700:3036::6815:57c4 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

104ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412105250
Primary NS (MNAME)jessica.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 02:39:07
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-02-10
Expires2027-02-28 (126d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
46ms
MX
44ms
AAAA
51ms
TXT
199ms
CAA
49ms
HTTPS
46ms
TLSA
387ms
SOA
0ms
MTA-STS
63ms
DNSSEC
104ms
SRV
71ms
Total
2209ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone