Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
criticalsoftware.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 19:06:36 UTC · ↺ Refresh
MX Hostnames
- mxf.eu.mpssec.net
- mxg.eu.mpssec.net
MX Priorities
- mxf.eu.mpssec.net: 5
- mxg.eu.mpssec.net: 5
A / AAAA Records
- 172.67.70.138 (no PTR)
- 104.26.14.205 (no PTR)
- 104.26.15.205 (no PTR)
- 2606:4700:20::681a:ecd (no PTR)
- 2606:4700:20::ac43:468a (no PTR)
- 2606:4700:20::681a:fcd (no PTR)
Mail Server IPs
- 54.194.179.173 ↩ mxf.eu.mpssec.net
- 54.77.99.92 ↩ mxg.eu.mpssec.net
SOA Record
Raw SOA
roxy.ns.cloudflare.com dns.cloudflare.com 2398544482 10000 2400 604800 1800
Primary NS (mname)
roxy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398544482
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sid.ns.cloudflare.com
roxy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:18.168.51.200 ip4:18.168.140.58 ip4:3.123.206.219 ip4:3.68.129.51 ip4:208.185.229.0/24 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 ip4:148.59.101.16/28 include:450277.spf07.hubspotemail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- zpsugGV6jfLJA0bAsIl9kp1mErNY2kvzSAK6IGMVFWH95xflgB68PCe3YSqmmEkKlsSd9imb6r7bB9GiGlWVJA==
- 7tISLBlAv2G6DJ9YAJu7P1UKw5iT0aY2IYs6yP2bkpIooOLGPjRrwfIm0Aji2/SIWN9ngcY7yPMpHL2qdk/0jA==
- apple-domain-verification=vNgqI3dcaYUVd9TP
- ethiack-verification=b7b0da1782d3acde6a6ad0426f31daf8aff98b2ef7cc0700786874e8eed54989cda08493ba71d051f87f6a0f774136c04b1371d3c43b646a704e40cb05bd8c72
- google-site-verification=cSNM15HoC6iKwyNXXgsmifjYwab4kx_aAZQkOsiCqJU
- google-site-verification=d8GEptMuTh2yKg0kcP6u7X9tkvY31iYkGR-u3ePD8Es
- have-i-been-pwned-verification=8b4dec6d2e977b82ccd385ea503f9582
- SPFv=spf1 ip4:18.168.51.200 ip4:18.168.140.58 ip4:3.123.206.219 ip4:3.68.129.51 ip4:208.185.229.0/24 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 ip4:148.59.101.16/28 include:450277.spf07.hubspotemail.net include:spf.protection.outlook.com -all
Full email verification for criticalsoftware.com
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