jrsys.dk DNS records

🖥️ Nameservers5 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.209	3600s	209.giga-ptr.232.116.217.in-addr.arpa web9.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jrsys-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::3 2a01:111:f403:ca09::5 52.101.68.21 52.101.68.32 52.101.73.15 52.101.73.24	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00300.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	jrsys.dk → 217.116.232.209

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 222ms

TXT Record
MS=ms49535946
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (jrsys.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.jrsys.dk	jrsys.dk

🔗 TLSA / DANE

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

🔐 DNSSEC124ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@jrsys.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

38ms

MX

62ms

AAAA

57ms

TXT

222ms

CAA

58ms

HTTPS

60ms

TLSA

182ms

SOA

0ms

MTA-STS

82ms

DNSSEC

124ms

SRV

217ms

Total

1160ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:28:54	1160ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 08:08:17	1569ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 04:15:38	2904ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 09:57:04	1476ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-07 10:01:36	17129ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-05 21:08:36	2153ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 04:10:41	2802ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 14:45:03	9552ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-13 12:36:14	10397ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 12:22:51	5252ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 14:51:24	1268ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 09:59:51	1304ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 14:17:30	1899ms	5 NS 1 A 1 MX	⚠️ Bogus	View