jakobsson.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
meadow.ns.cloudflare.com	108.162.194.51 162.159.38.51 172.64.34.51 2606:4700:50::a29f:2633 2803:f800:50::6ca2:c233 2a06:98c1:50::ac40:2233	meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
thaddeus.ns.cloudflare.com	108.162.195.127 162.159.44.127 172.64.35.127 2606:4700:58::a29f:2c7f 2803:f800:50::6ca2:c37f 2a06:98c1:50::ac40:237f	thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	jakobsson-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::6 2a01:111:f403:ca04::f 2a01:111:f403:ca09::e 52.101.209.153 52.101.68.16 52.101.68.3 52.101.68.32	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db3pr0202cu00200.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	172.67.179.141

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 102ms

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

📝 TXT Records3 records 294ms

TXT Record
MS=ms41896641
v=spf1 include:spf.protection.outlook.com -all
X6X25RjDMhKgKggvHYDgX9BEX1SS/k2RoQqQt8FqydovfYhEXv6nDXdxp3iDDojODNyZTvYtNQ0KLmFxNrCzCQ==

✉️ SPF

Policy	Record (jakobsson.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

🔗 TLSA / DANE

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

🔐 DNSSEC2064ms

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	2411992857
Primary NS (MNAME)	meadow.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-13 13:31:13

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1997-01-31
Expires	2027-03-31 (210d)

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

45ms

MX

37ms

AAAA

72ms

TXT

294ms

CAA

82ms

HTTPS

47ms

TLSA

647ms

SOA

0ms

MTA-STS

85ms

DNSSEC

2064ms

SRV

102ms

Total

3292ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:55:57	3292ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-13 13:30:37	1344ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-01 17:18:22	1170ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 03:11:53	1182ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 06:50:12	1001ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 04:52:26	1167ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 07:37:39	14013ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 07:23:46	26119ms	2 NS 0 A 1 MX	🔓 Insecure	View