rkmaskinteknik.dk

Records from scan: 2026-09-25 16:02:33 · 821ms total · last checked 2026-10-17 09:59 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rkmaskinteknik.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was registered on 28 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.178 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rkmaskinteknik-dk.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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.123hotel.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.178	3600s	linux19.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	360s	rkmaskinteknik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca09::22 2a01:111:f403:ca09::a 52.101.103.137 52.101.209.31 52.101.68.8 52.101.73.155	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-du0pr03cu00100.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#

2 records 141ms

TXT Record
MS=ms97505552
v=spf1 a:rkmaskinteknik.dk include:spf.protection.outlook.com ip4:91.144.255.84 ip4:185.20.204.0 ip4:185.20.204.3 ip4:152.115.155.70 -all

✉️ SPF#

Policy	Record (rkmaskinteknik.dk)
-all (hard fail)	v=spf1 a:rkmaskinteknik.dk include:spf.protection.outlook.com ip4:91.144.255.84 ip4:185.20.204.0 ip4:185.20.204.3 ip4:152.115.155.70 -all

📨 DMARC#

Policy	Record (_dmarc.rkmaskinteknik.dk)
p=reject	v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=s; rua=mailto:watchdog2@watchdog.kevlarr.io; ruf=mailto:watchdog2@watchdog.kevlarr.io; rf=afrf; fo=0; ri=86400

📬 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 2026-10-12 01:03:24

www	185.21.41.178 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rkmaskinteknik.dk: 185.21.41.178 (AS48854) www.rkmaskinteknik.dk: 185.21.41.178 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rkmaskinteknik-dk._domainkey.rkmaskinteknik.onmicrosoft.com	RSA · ~1024 bit below 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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024072404
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 09:15:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-11-28
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

31ms

44ms

AAAA

44ms

TXT

141ms

CAA

44ms

HTTPS

42ms

TLSA

323ms

SOA

0ms

MTA-STS

59ms

DNSSEC

69ms

SRV

56ms

Total

821ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 16:02:33 shown	821ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 14:25:34	10096ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 08:15:40	921ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-20 04:26:45	1232ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 22:57:55	1749ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:32:25	2410ms	2 NS 1 A 1 MX	🔒 Secure