tassi.dk DNS records

🖥️ Nameservers3 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records1 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.164.183	600s	server7183.serverpark.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 193ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	tassi-dk.mail.protection.outlook.com	2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.68.32 52.101.73.11 52.101.73.12 52.101.73.19	mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.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	5.186.164.183

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 139ms

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

📝 TXT Records3 records 272ms

TXT Record
MS=ms73424223
v=spf1 a mx include:_spf.serverpark.dk ~all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (tassi.dk)
~all (soft fail)	v=spf1 a mx include:_spf.serverpark.dk ~all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.tassi.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC90ms

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

🏷️ SOA91ms

Field	Value
Serial	2014041103
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

85ms

MX

193ms

AAAA

129ms

TXT

272ms

CAA

230ms

HTTPS

60ms

TLSA

487ms

SOA

91ms

MTA-STS

68ms

DNSSEC

90ms

SRV

139ms

Total

1023ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:36:26	1011ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 23:40:36	17463ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 00:50:40	1023ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:15:45	859ms	3 NS 1 A 1 MX	🔒 Secure	View