rc.dk

Records from scan: 2026-09-28 02:41:35 · 1248ms total · last checked 2026-10-21 11:03 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rc.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mxa-00344903.gslb.pphosted.com, mxb-00344903.gslb.pphosted.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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 18ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	mxa-00344903.gslb.pphosted.com	185.183.30.218	mx08-00344903.pphosted.com	AS52129 Proofpoint, Inc.
5	3600s	mxb-00344903.gslb.pphosted.com	185.132.183.168	mx07-00344903.pphosted.com	AS52129 Proofpoint, Inc.

📧 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

🔌 SRV Records#

1 records 54ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 131ms

TXT Record
duo_sso_verification=JGvoQpfjc4GohKMzrLEXa4iJExkzvFPxGegHFtTIeRlWyz8QfvDnuJ7zv9yQj2ls
MS=ms53490495
v=spf1 ip4:37.49.129.125/32 include:_spf.crh.com include:spf.actimo.com -all

✉️ SPF#

Policy	Record (rc.dk)
-all (hard fail)	v=spf1 ip4:37.49.129.125/32 include:_spf.crh.com include:spf.actimo.com -all

📨 DMARC#

Policy	Record (_dmarc.rc.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

📬 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 2026-10-10 22:48:55

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rc.dk: 93.191.155.240 (AS48854) www.rc.dk: 93.191.155.240 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2023102001
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

47ms

34ms

18ms

AAAA

33ms

TXT

131ms

CAA

30ms

HTTPS

25ms

TLSA

506ms

SOA

0ms

MTA-STS

47ms

DNSSEC

63ms

SRV

54ms

Total

1248ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 02:41:35 shown	1248ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-15 18:10:34	1100ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 17:29:39	533ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 14:33:12	1439ms	2 NS 1 A 2 MX	🔒 Secure