redhat.dk DNS records

🖥️ Nameservers4 records 59ms

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 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 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 dns4.p04.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records3 records 81ms

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 Records1 records 46ms

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 63ms

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 Records1 records 342ms

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

🔏 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)

🔐 DNSSEC2066ms

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

🏷️ SOA0ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

59ms

A

81ms

MX

46ms

AAAA

63ms

TXT

342ms

CAA

54ms

HTTPS

52ms

TLSA

158ms

SOA

0ms

MTA-STS

90ms

DNSSEC

2066ms

SRV

88ms

Total

2605ms

🕐 Scan History

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