r-kro.dk

Records from scan: 2026-10-05 05:11:06 · 1745ms total · last checked 2026-10-16 21:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

r-kro.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.130.190.68 is hosted by Procopa IT ApS (AS210939) in Denmark. Mail is handled by rkro-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

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 Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.130.190.68	3600s	web03.simpledigital.dk	AS210939	Procopa IT ApS	185.130.190.0/23	🇩🇰 Denmark	Søborg

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rkro-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::28 2a01:111:f403:ca48::12 2a01:111:f403:ca48::8 52.101.181.153 52.101.185.24 52.101.209.31 52.101.73.155	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 172ms

TXT Record
google-site-verification=mzpmeYAaNh6dVXML-znEoqb0OVrInj7dJXX6OYwdKHs
google-site-verification=sb9SbtD4H7dEngAsQOGzUPkCetWkSA9KP-52d26LJx0
MS=ms21095936
v=spf1 ip4:216.55.99.117 ip4:216.55.101.96 ip4:94.18.237.216 include:_custspf.one.com include:spf.protection.outlook.com include:spf.hostingconnection.eu include:spectra-systems.eu -all

✉️ SPF#

Policy	Record (r-kro.dk)
-all (hard fail)	v=spf1 ip4:216.55.99.117 ip4:216.55.101.96 ip4:94.18.237.216 include:_custspf.one.com include:spf.protection.outlook.com include:spf.hostingconnection.eu include:spectra-systems.eu -all

📨 DMARC#

Policy	Record (_dmarc.r-kro.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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

🧩 Web & zone#

checked 2026-10-09 06:49:56

www	185.130.190.68 (AS210939) (address records, no CNAME)
www vs bare domain	Same network r-kro.dk: 185.130.190.68 (AS210939) www.r-kro.dk: 185.130.190.68 (AS210939)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rkro-dk0c._domainkey.mindevaerdig.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

133ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2026100401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-05 05:18:58

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-02-26
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

50ms

AAAA

52ms

TXT

172ms

CAA

40ms

HTTPS

45ms

TLSA

965ms

SOA

36ms

MTA-STS

69ms

DNSSEC

133ms

SRV

140ms

Total

1745ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 05:11:06 shown	1745ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 04:52:49	1501ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 23:37:17	958ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 07:03:51	1693ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-30 02:13:44	1737ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 19:20:25	1024ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 04:31:49	5761ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 01:02:09	16842ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 08:59:55	1193ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-24 21:21:28	1275ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:41:43	2253ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:11:24	920ms	2 NS 1 A 1 MX	🔒 Secure