xtel.dk DNS records

🖥️ Nameservers2 records 40ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	xtel-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::a 2a01:111:f403:ca09::3 2a01:111:f403:ca09::a 52.101.103.143 52.101.73.126 52.101.73.22 52.101.73.26	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.8
🔶 Autoconfig	94.231.103.68

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 183ms

TXT Record
anthropic-domain-verification-sz9gsw=PwImBG9MHf1rE63fM1VMWZ587
atlassian-domain-verification=/2apfp3V5MaA/WBasDiRbUvT0P1mMlaKRTtK2JykRSCEAdoBcusYCDAIU6dMnvre
atlassian-domain-verification=/BLOSmFElMGnqX3RZ9ygXuAqgz34OC1xjcuhHigi153t79R1ybsrfJqNTaZ/7Cwf
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (xtel.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.xtel.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)

🔐 DNSSEC80ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081605
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

40ms

A

41ms

MX

40ms

AAAA

34ms

TXT

183ms

CAA

49ms

HTTPS

52ms

TLSA

176ms

SOA

0ms

MTA-STS

58ms

DNSSEC

80ms

SRV

64ms

Total

711ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:34:54	711ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 15:57:51	4229ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 16:00:14	1287ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 23:49:00	3439ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 09:28:52	3254ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 20:05:06	1135ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 19:55:44	914ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-17 13:57:30	2152ms	2 NS 1 A 1 MX	🔒 Secure	View