rkctech.dk DNS records

🖥️ Nameservers2 records 48ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	43200s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	rkctech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca48::8 52.101.68.12 52.101.73.11 52.101.73.126 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 173ms

TXT Record
autodesk-domain-verification=uHUfgX1jKpqpT5ru8hp6
MS=ms34044453
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rkctech.dk)
p=reject	v=DMARC1; p=reject;

📬 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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080801
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

48ms

A

51ms

MX

51ms

AAAA

38ms

TXT

173ms

CAA

53ms

HTTPS

38ms

TLSA

374ms

SOA

0ms

MTA-STS

62ms

DNSSEC

101ms

SRV

57ms

Total

1119ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:53:53	1119ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 04:51:29	5299ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 13:45:15	1822ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 02:45:50	1154ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:13:21	929ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:55:13	3381ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 06:59:05	1170ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 07:48:16	1019ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:18:44	3076ms	2 NS 1 A 1 MX	🔒 Secure	View