jbserver.dk

📜 Historical scan 2026-06-22 19:18:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jbserver.dk is a .dk domain served by 2 nameservers (meg.ns.cloudflare.com, rick.ns.cloudflare.com). It was registered on 3 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.30 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jbserver-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
meg.ns.cloudflare.com	108.162.192.196 172.64.32.196 173.245.58.196 2606:4700:50::adf5:3ac4 2803:f800:50::6ca2:c0c4 2a06:98c1:50::ac40:20c4	meg.ns.cloudflare.com meg.ns.cloudflare.com meg.ns.cloudflare.com meg.ns.cloudflare.com meg.ns.cloudflare.com meg.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rick.ns.cloudflare.com	108.162.193.139 172.64.33.139 173.245.59.139 2606:4700:58::adf5:3b8b 2803:f800:50::6ca2:c18b 2a06:98c1:50::ac40:218b	rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.30	300s	linux4.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jbserver-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca09::7 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.16 52.101.68.39 52.101.73.6	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 264ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 247ms

TXT Record
MS=ms13033932
MS=ms99099056
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jbserver.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.jbserver.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:36c172e9a99f45e9af51145f74591cbf@dmarc-reports.cloudflare.net

📬 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 14:30:40

www	Exists, no address
www vs bare domain	www does not resolve jbserver.dk: 94.231.109.30 (AS48854) www.jbserver.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

134ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407494400
Primary NS (MNAME)	meg.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 13:54:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-03-03
Expires	2027-03-31 (165d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

43ms

45ms

49ms

AAAA

46ms

TXT

247ms

CAA

40ms

HTTPS

48ms

TLSA

149ms

SOA

0ms

MTA-STS

49ms

DNSSEC

134ms

SRV

264ms

Total

1061ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:30:40	1221ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 04:26:29	1274ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:16:10	898ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 19:15:25	1393ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 07:16:23	1500ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 06:40:25	1512ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 01:09:31	1408ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 23:23:26	1663ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 16:40:20	1971ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 08:53:18	3291ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 21:59:19	17756ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-07 04:23:50	2046ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 02:39:32	1141ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 18:03:31	5173ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 19:18:01 shown	1061ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:38:14	1459ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:41:51	1258ms	2 NS 1 A 1 MX	🔒 Secure