gfirmabyen.dk

📜 Historical scan 2026-07-02 11:31:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gfirmabyen.dk is a .dk domain served by 2 nameservers (ns1.aveo.dk, ns2.aveo.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.204 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by gfirmabyen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.aveo.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.aveo.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.204	3600s	linux27.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	gfirmabyen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.18 52.101.68.25 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.24
🔶 Autoconfig	185.21.40.204

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 120ms

TXT Record
MS=ms65762348
v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (gfirmabyen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -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 11:10:05

www	185.21.40.204 (AS48854) (address records, no CNAME)
www vs bare domain	Same network gfirmabyen.dk: 185.21.40.204 (AS48854) www.gfirmabyen.dk: 185.21.40.204 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

131ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

54ms

Field	Value
Serial	2023022401
Primary NS (MNAME)	ns1.aveo.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

49ms

45ms

31ms

AAAA

26ms

TXT

120ms

CAA

29ms

HTTPS

44ms

TLSA

124ms

SOA

54ms

MTA-STS

51ms

DNSSEC

131ms

SRV

91ms

Total

788ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 18:49:14	1061ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 07:50:44	636ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 11:31:32 shown	788ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:55:51	869ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 01:21:33	687ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:34:28	1237ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:34:12	4068ms	2 NS 1 A 1 MX	🔒 Secure