jbf.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.81	300s	linux401.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	jbf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.103.137 52.101.68.21 52.101.68.29 52.101.68.36	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 40.104.116.56
🔶 Autoconfig	185.20.205.81

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 186ms

TXT Record
0ed1fe018aef7f11d8cd5744a88934357cbaf6ff42
MS=ms79747640
v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:servers.mcsv.net -all

✉️ SPF

Policy	Record (jbf.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:servers.mcsv.net -all

📨 DMARC

Policy	Record (_dmarc.jbf.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:reports@dmarc.host123.dk; ruf=mailto:reports@dmarc.host123.dk; fo=1; adkim=s; aspf=s;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC137ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

35ms

MX

46ms

AAAA

52ms

TXT

186ms

CAA

77ms

HTTPS

36ms

TLSA

185ms

SOA

0ms

MTA-STS

81ms

DNSSEC

137ms

SRV

97ms

Total

863ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:20:45	863ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:38:23	1811ms	2 NS 1 A 1 MX	🔒 Secure	View