rlz.dk DNS records

🖥️ Nameservers2 records 96ms

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 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.27	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rlz-dk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::e 52.101.68.39 52.101.68.8 52.101.73.2 52.101.73.24	mail-am0pr83cu00402.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.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 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:dc:ed0b:312a:b535	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 135ms

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

📝 TXT Records2 records 259ms

TXT Record
MS=ms30075623
v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all

✉️ SPF

Policy	Record (rlz.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:sendgrid.net -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)

🔐 DNSSEC220ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-07 01:28:56

Field	Value
Registrar	ONE.COM A/S
Registered	2018-04-26
Expires	2027-04-30 (239d)

📋 WHOIS

⏱️ Lookup Timing

NS

96ms

A

87ms

MX

96ms

AAAA

97ms

TXT

259ms

CAA

93ms

HTTPS

98ms

TLSA

191ms

SOA

0ms

MTA-STS

91ms

DNSSEC

220ms

SRV

135ms

Total

1390ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-17 05:50:41	1390ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 12:39:03	9042ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 01:28:43	2454ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 10:41:15	3222ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:24:53	673ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:21:19	1605ms	2 NS 1 A 1 MX	🔒 Secure	View