zensystems.dk DNS records

🖥️ Nameservers4 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.197	60s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	zensystems-dk.p-v1.mx.microsoft	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 52.101.103.137 52.101.68.25 52.101.73.11 52.101.73.126	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.24

🔷 AAAA Records (IPv6)1 records 80ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2603:1061:14:c4::1	60s	—	AS8075	Microsoft Corporation	2603:1060:0:0:0:0:0:0/31	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 109ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	exchange.zensystems.dk

📝 TXT Records7 records 314ms

TXT Record
*._report._dmarc.zensystems.dk
b12fc6eba0364dda82a97ecf2c97fcab
have-i-been-pwned-verification=dweb_z1m552on6le0hnrsfk3zz7xf
qelg9ah2a7bo6tl6uslaa1oqpl
sVjj0ZnRJh8G+6YsJq9Y/4D6FEmiLF+AioG10300Ghc=
v=spf1 ip4:212.98.75.14 a:c.spf.service-now.com include:spf.protection.outlook.com -all
xpOZvwnnOos0gCb50KYCU3BTn1z7wzb8+Q4TRVuozbeVghETAcgsQepM6PZRSCxaHmak1qbp50tCQJ2iy6OSpw==

✉️ SPF

Policy	Record (zensystems.dk)
-all (hard fail)	v=spf1 ip4:212.98.75.14 a:c.spf.service-now.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.zensystems.dk)
p=reject	v=DMARC1; p=reject; sp=reject; aspf=s; adkim=s;

📬 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 / DANE4 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.zensystems-dk.p-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.zensystems-dk.p-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.zensystems-dk.p-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.zensystems-dk.p-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC9103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072805
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

70ms

MX

45ms

AAAA

80ms

TXT

314ms

CAA

72ms

HTTPS

69ms

TLSA

81ms

SOA

0ms

MTA-STS

86ms

DNSSEC

9103ms

SRV

109ms

Total

9712ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:06:11	9712ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 07:23:35	2624ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 14:50:05	1339ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 00:24:05	1307ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 17:29:59	2049ms	4 NS 2 A 1 MX	🔒 Secure	View
2026-07-29 13:53:37	3144ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 04:54:47	1546ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 13:23:55	1338ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 01:57:11	10176ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 18:22:07	1654ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 02:49:03	7017ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:23:42	3013ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 01:49:12	1820ms	4 NS 1 A 1 MX	🔒 Secure	View