syskon.dk DNS records

🖥️ Nameservers4 records 48ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.196	60s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	syskon-dk.y-v1.mx.microsoft	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca04::f 2a01:111:f403:ca09::4 52.101.68.0 52.101.68.10 52.101.68.27 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.39.56

🔷 AAAA Records (IPv6)1 records 59ms

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 322ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	access.syskon.dk

📝 TXT Records3 records 460ms

TXT Record
have-i-been-pwned-verification=dweb_x9h2xjrux39ivz2e7l1c1h0p
sVjj0ZnRJh8G+6YsJq9Y/4D6FEmiLF+AioG10300Ghc=
v=spf1 ip4:212.98.75.14 a:c.spf.service-now.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (syskon.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.syskon.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 / DANE6 records 234ms

Service / Owner	Type	Cert association
SMTP _25._tcp.syskon-dk.y-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.syskon-dk.y-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.syskon-dk.y-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.syskon-dk.y-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.syskon-dk.y-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.syskon-dk.y-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…

🔐 DNSSEC143ms

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

🏷️ SOA0ms

Field	Value
Serial	2026031716
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

48ms

A

55ms

MX

39ms

AAAA

59ms

TXT

460ms

CAA

37ms

HTTPS

36ms

TLSA

234ms

SOA

0ms

MTA-STS

66ms

DNSSEC

143ms

SRV

322ms

Total

3392ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 10:03:14	1072ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 14:53:51	1384ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 13:08:56	914ms	4 NS 2 A 1 MX	🔒 Secure	View
2026-08-20 08:52:30	1673ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 02:21:21	1550ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 19:07:25	1626ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 11:56:39	3176ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 09:28:46	9364ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 09:08:05	1457ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 08:44:52	17174ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 13:49:05	9380ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 03:22:59	2820ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 09:55:00	1009ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 08:52:20	896ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 06:16:02	3392ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:59:28	913ms	4 NS 1 A 1 MX	🔒 Secure	View