sircas.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
irma.ns.cloudflare.com	108.162.192.166 172.64.32.166 173.245.58.166 2606:4700:50::adf5:3aa6 2803:f800:50::6ca2:c0a6 2a06:98c1:50::ac40:20a6	irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phil.ns.cloudflare.com	108.162.193.137 172.64.33.137 173.245.59.137 2606:4700:58::adf5:3b89 2803:f800:50::6ca2:c189 2a06:98c1:50::ac40:2189	phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 48ms

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 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)4 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:50c0:8000::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8001::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8002::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8003::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 239ms

TXT Record
protonmail-verification=00cba2217e11cc392a62aeba3779889967924585
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (sircas.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.sircas.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 / DANE4 records 120ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC79ms

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

🏷️ SOA0ms

Field	Value
Serial	2413774842
Primary NS (MNAME)	irma.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

49ms

A

48ms

MX

50ms

AAAA

62ms

TXT

239ms

CAA

51ms

HTTPS

44ms

TLSA

120ms

SOA

0ms

MTA-STS

83ms

DNSSEC

79ms

SRV

85ms

Total

1483ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 21:10:44	1483ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-31 09:50:02	2021ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-30 04:35:12	2481ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-28 19:04:14	2137ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-06 20:30:28	1303ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-07-12 04:26:04	2514ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-07-05 00:04:22	1407ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 15:08:28	9856ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 08:09:16	1721ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 04:49:31	20675ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 04:05:46	2812ms	2 NS 1 A 2 MX	🔒 Secure	View