xsystems.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.245	600s	linux332.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	xsystems-dk.mail.protection.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 2a01:111:f403:ca48::8 52.101.73.15 52.101.73.30 52.101.73.6 52.101.73.8	mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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 Records6 records 176ms

TXT Record
dk._domainkey.xsystems.dk.
klaviyo-site-verification=UH68ES
MS=ms45800111
MS=ms53601276
v=DKIM1;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDhkOo8s6fh9Byz1uy69tfQ6eUnzi/5P22EWccwI1PdmCpiyNwZcq3vOS2MHbVYB+ZY6wbBlAFym8EHbZY9OTlJ3+dzt8qTUNW5olkNVl4ecDv3XO2ML8q5sxQL+dwQU6UAQiDAAC/ZRWwiXHrSsr90pqH1Q0vhB7Kp6DHrWYJquQIDAQAB
v=spf1 include:spf.protection.outlook.com include:emsd1.com ip4:85.218.234.126 include:spf-westeu.emailsignatures365.com -all

✉️ SPF

Policy	Record (xsystems.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:emsd1.com ip4:85.218.234.126 include:spf-westeu.emailsignatures365.com -all

📨 DMARC

Policy	Record (_dmarc.xsystems.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100

📬 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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082406
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

54ms

MX

44ms

AAAA

61ms

TXT

176ms

CAA

55ms

HTTPS

62ms

TLSA

183ms

SOA

0ms

MTA-STS

67ms

DNSSEC

84ms

SRV

67ms

Total

901ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:47:29	901ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 08:51:53	2076ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 03:01:24	2230ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 06:48:07	2544ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 15:30:01	712ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 08:11:23	803ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 15:25:34	995ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:21:50	2634ms	2 NS 1 A 1 MX	🔒 Secure	View