biogas.dk

📜 Historical scan 2026-09-03 21:58:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biogas.dk is a .dk domain served by 4 nameservers (pns41.cloudns.net, pns42.cloudns.net, pns43.cloudns.net and 1 more). It was registered on 22 August 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.148 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by biogas-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

4 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
pns41.cloudns.net	185.136.96.79 2a06:fb00:1::1:79	pns41.cloudns.net pns41.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns42.cloudns.net	185.136.97.79 2a06:fb00:1::2:79	pns42.cloudns.net pns42.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns43.cloudns.net	185.136.98.79 2a06:fb00:1::3:79	pns43.cloudns.net pns43.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns44.cloudns.net	185.136.99.79 2a06:fb00:1::4:79	pns44.cloudns.net pns44.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.148	3600s	linux101.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	biogas-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::28 2a01:111:f403:ca09::a 2a01:111:f403:ca09::f 52.101.185.24 52.101.73.11 52.101.73.126 52.101.91.159	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00207.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 86ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	90	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 247ms

TXT Record
google-site-verification=Eozdt5_XZh3vGm_HT-Emyg4FZwfnONostzubrxDH2a8
MS=ms20691300
v=spf1 ip4:109.238.53.106 ip4:185.21.41.148 ip4:93.191.155.217 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (biogas.dk)
-all (hard fail)	v=spf1 ip4:109.238.53.106 ip4:185.21.41.148 ip4:93.191.155.217 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.biogas.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 10:58:48

www	185.21.41.148 (AS48854) (address records, no CNAME)
www vs bare domain	Same network biogas.dk: 185.21.41.148 (AS48854) www.biogas.dk: 185.21.41.148 (AS48854)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

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	2026072404
Primary NS (MNAME)	pns41.cloudns.net
Responsible (RNAME)	support@cloudns.net
Refresh	7200s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 10:33:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-08-22
Expires	2027-08-31 (311d)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

72ms

58ms

AAAA

61ms

TXT

247ms

CAA

50ms

HTTPS

1173ms

TLSA

414ms

SOA

0ms

MTA-STS

69ms

DNSSEC

88ms

SRV

86ms

Total

1927ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 10:00:34	1227ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-10 20:03:51	10265ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-03 21:58:51 shown	1927ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 21:32:58	1355ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-24 23:27:48	2309ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-27 05:32:41	1422ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 03:35:15	1804ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 14:38:52	487ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 14:38:02	1112ms	4 NS 1 A 1 MX	🔓 Insecure