12f.dk DNS records

🖥️ Nameservers2 records 110ms

Nameserver	IP addresses	PTR	ASN / ISP
carter.ns.cloudflare.com	108.162.193.80 172.64.33.80 173.245.59.80 2606:4700:58::adf5:3b50 2803:f800:50::6ca2:c150 2a06:98c1:50::ac40:2150	carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zita.ns.cloudflare.com	108.162.192.243 172.64.32.243 173.245.58.243 2606:4700:50::adf5:3af3 2803:f800:50::6ca2:c0f3 2a06:98c1:50::ac40:20f3	zita.ns.cloudflare.com zita.ns.cloudflare.com zita.ns.cloudflare.com zita.ns.cloudflare.com zita.ns.cloudflare.com zita.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 139ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	300s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	300s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	300s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	300s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records2 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	300s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 385ms

TXT Record
apple-domain-verification=K2e_EjDTsnZmGLjN5v1GZGgy9fPct7Ttbo10mKDGKZ0
apple-domain=E4mtq2iskN7V4nVX
brevo-code:7dad81baa5ada2779beb189a0008e4a7
google-site-verification=Z_0zPnrVx02nbah5oP09i9Y9gviXVX7y7jkoMVMS5RU
v=spf1 include:icloud.com ~all

✉️ SPF

Policy	Record (12f.dk)
~all (soft fail)	v=spf1 include:icloud.com ~all

📨 DMARC

Policy	Record (_dmarc.12f.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:21daa946733d4f87933fe95f97899d04@dmarc-reports.cloudflare.net,mailto:rua@dmarc.brevo.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

🔗 TLSA / DANE

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

🔐 DNSSEC302ms

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

🏷️ SOA0ms

Field	Value
Serial	2413428086
Primary NS (MNAME)	carter.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

110ms

A

139ms

MX

89ms

AAAA

115ms

TXT

385ms

CAA

118ms

HTTPS

88ms

TLSA

255ms

SOA

0ms

MTA-STS

159ms

DNSSEC

302ms

SRV

166ms

Total

2052ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 01:57:40	2052ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-28 09:09:29	895ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-27 09:01:57	902ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-26 09:00:23	886ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-25 21:00:04	1241ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-24 13:03:20	3024ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-23 06:33:11	1807ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-16 19:53:15	1937ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-11 14:49:59	7285ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-07 11:22:57	1775ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-07-28 04:53:08	10576ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-07-18 06:06:58	9503ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-07-03 13:33:14	896ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-30 01:30:05	1244ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-27 21:52:48	1241ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-26 18:52:26	1072ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-25 06:29:23	1446ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-22 17:40:47	1265ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-16 13:25:36	17125ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-16 13:12:47	1120ms	2 NS 4 A 2 MX	🔓 Insecure	View