arriva.dk DNS records

🖥️ Nameservers2 records 213ms

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 288ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.72	3600s	linux210.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 311ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arriva-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 52.101.68.3 52.101.73.1 52.101.73.2 52.101.73.26	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr07cu00302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 364ms

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

📝 TXT Records8 records 578ms

TXT Record
apple-domain-verification=tTeZXWCVGZAMIkvZ
brevo-code:802a116c7ccdd1614693df2a85c93040
facebook-domain-verification=umk22optpivndas440sviek14nrxoy
google-site-verification=w66d9uhgttFqoimwbMmWIXTQL6CA0ojB0SWkGZsnnnU
MS=ms14465864
MS=ms29129911
nintex.602bfb3bb6a239006aa74c9b
v=spf1 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk include:servers.mcsv.net include:spf.dixa.io include:_custspf.one.com ip4:185.147.72.134/27 ip4:43.231.128.105 ip4:213.174.80.172 ip4:172.20.17.185 ip4:192.92.97.0/24 ip4:194.30.184.141 ip4:194.192.82.45 ip4:192.66.172.202 ip4:81.200.198.240/28 ip4:81.200.196.41 ip4:168.128.108.212 ip4:172.20.17.186 ip4:185.163.189.41 ip4:185.163.189.46 ip4:195.50.44.89 ip4:10.208.71.63 ip4:10.208.71.64 ip4:10.208.71.65 ip4:20.108.4.108 ip4:20.90.138.231 ip4:123.103.200.139 ip4:123.103.203.100 ip4:131.165.0.0/16 ip4:104.37.34.0/24 ip4:104.47.18.109 ip4:185.164.14.0/24 ip4:194.116.178.141 ip4:194.30.184.4 ip4:194.30.184.147 ip4:172.20.17.197 ip4:172.31.1.75 ip4:20.108.4.107 ip4:40.95.65.157 -all

✉️ SPF

Policy	Record (arriva.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk include:servers.mcsv.net include:spf.dixa.io include:_custspf.one.com ip4:185.147.72.134/27 ip4:43.231.128.105 ip4:213.174.80.172 ip4:172.20.17.185 ip4:192.92.97.0/24 ip4:194.30.184.141 ip4:194.192.82.45 ip4:192.66.172.202 ip4:81.200.198.240/28 ip4:81.200.196.41 ip4:168.128.108.212 ip4:172.20.17.186 ip4:185.163.189.41 ip4:185.163.189.46 ip4:195.50.44.89 ip4:10.208.71.63 ip4:10.208.71.64 ip4:10.208.71.65 ip4:20.108.4.108 ip4:20.90.138.231 ip4:123.103.200.139 ip4:123.103.203.100 ip4:131.165.0.0/16 ip4:104.37.34.0/24 ip4:104.47.18.109 ip4:185.164.14.0/24 ip4:194.116.178.141 ip4:194.30.184.4 ip4:194.30.184.147 ip4:172.20.17.197 ip4:172.31.1.75 ip4:20.108.4.107 ip4:40.95.65.157 -all

Policy

Record (arriva.dk)

-all (hard fail)

v=spf1 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk include:servers.mcsv.net include:spf.dixa.io include:_custspf.one.com ip4:185.147.72.134/27 ip4:43.231.128.105 ip4:213.174.80.172 ip4:172.20.17.185 ip4:192.92.97.0/24 ip4:194.30.184.141 ip4:194.192.82.45 ip4:192.66.172.202 ip4:81.200.198.240/28 ip4:81.200.196.41 ip4:168.128.108.212 ip4:172.20.17.186 ip4:185.163.189.41 ip4:185.163.189.46 ip4:195.50.44.89 ip4:10.208.71.63 ip4:10.208.71.64 ip4:10.208.71.65 ip4:20.108.4.108 ip4:20.90.138.231 ip4:123.103.200.139 ip4:123.103.203.100 ip4:131.165.0.0/16 ip4:104.37.34.0/24 ip4:104.47.18.109 ip4:185.164.14.0/24 ip4:194.116.178.141 ip4:194.30.184.4 ip4:194.30.184.147 ip4:172.20.17.197 ip4:172.31.1.75 ip4:20.108.4.107 ip4:40.95.65.157 -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC520ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081801
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

213ms

A

288ms

MX

311ms

AAAA

224ms

TXT

578ms

CAA

311ms

HTTPS

279ms

TLSA

758ms

SOA

0ms

MTA-STS

365ms

DNSSEC

520ms

SRV

364ms

Total

5673ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 20:17:35	5673ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 17:20:36	5196ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 16:17:03	2675ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 23:20:16	1191ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:41:36	871ms	2 NS 1 A 1 MX	🔒 Secure	View