jfvb.dk

📜 Historical scan 2026-10-03 02:57:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jfvb.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was registered on 25 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.37 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jfvb-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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.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
curns02.dnsadmin.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.37	3600s	splash.zitcom.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jfvb-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::f 2a01:111:f403:ca09::28 2a01:111:f403:ca48::a 52.101.103.137 52.101.103.140 52.101.68.25 52.101.68.39	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 52.98.149.152
🔶 Autoconfig	93.191.155.37

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 131ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jfvb.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-09 11:30:59

www	93.191.155.37 (AS48854) (address records, no CNAME)
www vs bare domain	Same network jfvb.dk: 93.191.155.37 (AS48854) www.jfvb.dk: 93.191.155.37 (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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-03 03:38:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-09-25
Expires	2027-09-30 (343d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

50ms

AAAA

32ms

TXT

131ms

CAA

45ms

HTTPS

57ms

TLSA

649ms

SOA

34ms

MTA-STS

74ms

DNSSEC

128ms

SRV

69ms

Total

1463ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:30:59	1215ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 05:20:27	1023ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 02:57:09 shown	1463ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 02:55:02	635ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 02:43:36	541ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 06:12:57	837ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 17:22:11	951ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:42:09	932ms	2 NS 1 A 1 MX	🔒 Secure