jemmer.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.coreconcept.dk	91.189.201.201	ns.coreconcept.dk	AS42638 Netvaerkssmeden
ns2.coreconcept.dk	91.189.202.202	—	AS42638 Netvaerkssmeden

🌍 A Records

🌍

No A records found

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jemmer-dk.mail.protection.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 2a01:111:f403:ca38::8 52.101.68.18 52.101.68.5 52.101.73.22 52.101.73.6	mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 173ms

TXT Record
MS=ms75875935
v=spf1 include:spf.protection.outlook.com a:smtp.servmail.dk -all

✉️ SPF

Policy	Record (jemmer.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:smtp.servmail.dk -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

🔗 TLSA / DANE

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

🔐 DNSSEC94ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	202
Primary NS (MNAME)	ns.coreconcept.dk
Responsible (RNAME)	hostmaster@coreconcept.dk
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

40ms

MX

42ms

AAAA

36ms

TXT

173ms

CAA

31ms

HTTPS

47ms

TLSA

590ms

SOA

0ms

MTA-STS

73ms

DNSSEC

94ms

SRV

66ms

Total

10694ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:56:44	10694ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-16 15:15:40	14692ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-13 02:23:26	16519ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-11 08:12:40	11444ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-20 19:43:49	22734ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-02 10:30:17	11603ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 16:20:18	1301ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 05:26:06	4427ms	2 NS 0 A 1 MX	🔓 Insecure	View