jr-by.dk

Records from scan: 2026-10-09 09:20:46 · 892ms total · last checked 2026-10-16 17:21 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jr-by.dk is a .dk domain served by 2 nameservers (primary.infoserv.dk, secondary.infoserv.dk). It was registered on 8 December 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.135.111 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by mail.ishost.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 71ms

Nameserver	IP addresses	PTR	ASN / ISP
primary.infoserv.dk	139.162.157.8 2a01:7e01::f03c:91ff:fe59:943d	mail2.ishost.dk —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud
secondary.infoserv.dk	139.162.227.162 2a01:7e00::f03c:92ff:fe07:7dc2	li1512-162.members.linode.com —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud

🌍 A Records#

1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.104.135.111	300s	li1651-111.members.linode.com	AS63949	Akamai Connected Cloud	172.104.128.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.ishost.dk	139.162.148.133	mail.ishost.dk	AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-09 09:20:46

www	172.104.135.111 (AS63949) (address records, no CNAME)
www vs bare domain	Same network jr-by.dk: 172.104.135.111 (AS63949) www.jr-by.dk: 172.104.135.111 (AS63949)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

58ms

Field	Value
Serial	202503137
Primary NS (MNAME)	primary.infoserv.dk
Responsible (RNAME)	admin@infoserv
Refresh	900s
Retry	300s
Expire	3600s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-15 16:46:45

Field	Value
Registrar	WEBBUREAUET INFOSERV ApS
Registered	2015-12-08
Expires	2027-04-30 (195d)

🔗 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#

71ms

77ms

69ms

AAAA

79ms

TXT

405ms

CAA

79ms

HTTPS

86ms

TLSA

131ms

SOA

58ms

MTA-STS

120ms

DNSSEC

103ms

SRV

124ms

Total

892ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:20:46 shown	892ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 17:02:26	920ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 11:58:45	1647ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 02:55:36	630ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 05:51:06	760ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 03:15:47	707ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 15:18:54	603ms	2 NS 1 A 1 MX	🔓 Insecure