redhat.dk

📜 Historical scan 2026-06-20 00:17:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redhat.dk is a .dk domain served by 4 nameservers (dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.185.24.46 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mx1.redhat.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

4 records 180ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.p04.nsone.net	198.51.44.4 2620:4d:4000:6259:7:4:0:1	dns1.p04.nsone.net —	AS62597 NSONE Inc AS62597 NSONE Inc
dns2.p04.nsone.net	198.51.45.4 2a00:edc0:6259:7:4::2	dns2.p04.nsone.net dns2.p04.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns3.p04.nsone.net	198.51.44.68 2620:4d:4000:6259:7:4:0:3	dns3.p04.nsone.net —	AS62597 NSONE Inc AS62597 NSONE Inc
dns4.p04.nsone.net	198.51.45.68 2a00:edc0:6259:7:4::4	dns4.p04.nsone.net —	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records#

3 records 182ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.185.24.46	3600s	ec2-18-185-24-46.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	18.176.0.0/12	🇩🇪 Germany	Frankfurt am Main
3.126.5.188	3600s	ec2-3-126-5-188.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main
3.71.139.153	3600s	ec2-3-71-139-153.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.64.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 185ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
200	3600s	mx1.redhat.com	52.25.184.255	ec2-52-25-184-255.us-west-2.compute.amazonaws.com	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

3 records 171ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a05:d014:803:f30a:4c8d:5530:dac2:179	3600s	—	AS16509	Amazon.com, Inc.	2a05:d000:0:0:0:0:0:0/25	🇩🇪 Germany	Frankfurt am Main
2a05:d014:803:f30c:505c:9738:13c:b7a5	3600s	—	AS16509	Amazon.com, Inc.	2a05:d000:0:0:0:0:0:0/25	🇩🇪 Germany	Frankfurt am Main
2a05:d014:803:f30e:ffe5:90d1:736a:fcad	3600s	—	AS16509	Amazon.com, Inc.	2a05:d000:0:0:0:0:0:0/25	🇩🇪 Germany	Frankfurt am Main

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 477ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (redhat.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.redhat.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-rua@redhat.com; sp=none; 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#

latest probe, not this scan · checked 2026-10-08 06:12:12

www	18.185.24.46 3.126.5.188 3.71.139.153 2a05:d014:803:f30a:4c8d:5530:dac2:179 2a05:d014:803:f30c:505c:9738:13c:b7a5 2a05:d014:803:f30e:ffe5:90d1:736a:fcad (AS16509) (address records, no CNAME)
www vs bare domain	Same network redhat.dk: 18.185.24.46 3.126.5.188 3.71.139.153 2a05:d014:803:f30a:4c8d:5530:dac2:179 (AS16509) www.redhat.dk: 18.185.24.46 3.126.5.188 3.71.139.153 2a05:d014:803:f30a:4c8d:5530:dac2:179 (AS16509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.redhat.dk	_acme-challenge.redhat.dk.validate-dv.nsone.net

🔗 TLSA / DANE#

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

🔐 DNSSEC#

275ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

184ms

Field	Value
Serial	1742968718
Primary NS (MNAME)	dns1.p04.nsone.net
Responsible (RNAME)	hostmaster@nsone.net
Refresh	200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

180ms

182ms

185ms

AAAA

171ms

TXT

477ms

CAA

183ms

HTTPS

200ms

TLSA

294ms

SOA

184ms

MTA-STS

246ms

DNSSEC

275ms

SRV

2105ms

Total

2841ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 04:01:34	822ms	4 NS 3 A 1 MX	🔓 Insecure
2026-10-01 04:20:58	899ms	4 NS 3 A 1 MX	🔓 Insecure
2026-09-24 18:44:31	9658ms	4 NS 3 A 1 MX	🔓 Insecure
2026-09-03 14:34:23	2605ms	4 NS 3 A 1 MX	🔓 Insecure
2026-08-28 01:10:33	1280ms	4 NS 3 A 1 MX	🔓 Insecure
2026-08-26 09:45:33	1178ms	4 NS 3 A 1 MX	🔓 Insecure
2026-06-24 02:05:17	1070ms	4 NS 3 A 1 MX	🔓 Insecure
2026-06-20 00:17:54 shown	2841ms	4 NS 3 A 1 MX	🔓 Insecure
2026-06-17 15:27:11	2773ms	4 NS 3 A 1 MX	🔓 Insecure