r-kro.dk

📜 Historical scan 2026-08-19 01:02:09 · ← Latest scan

⬇ 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 185.237.125.110 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 50ms

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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.237.125.110	3600s	web01.simpleagencygroup.dk	AS210939	Procopa IT ApS	185.237.124.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rkro-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.10 52.101.68.25 52.101.68.27 52.101.73.6	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am6pr04cu00306.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 Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

latest probe, not this scan · 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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9066ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026072901
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 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

61ms

63ms

AAAA

37ms

TXT

4159ms

CAA

2060ms

HTTPS

2061ms

TLSA

748ms

SOA

45ms

MTA-STS

2063ms

DNSSEC

9066ms

SRV

2059ms

Total

16842ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 05:11:06	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 shown	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