Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oldcastlematerials.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 03:03:48 UTC · ↺ Refresh
MX Hostnames
- mxa-00344903.gslb.pphosted.com
- mxb-00344903.gslb.pphosted.com
MX Priorities
- mxa-00344903.gslb.pphosted.com: 10
- mxb-00344903.gslb.pphosted.com: 10
A / AAAA Records
- 23.186.128.22 (no PTR)
Mail Server IPs
- 185.132.183.168 ↩ mx07-00344903.pphosted.com
SOA Record
Raw SOA
ns1.markmonitor.com hostmaster.markmonitor.com 2026030501 86400 3600 2592000 172800
Primary NS (mname)
ns1.markmonitor.com
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026030501
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s
Nameservers (NS)
ns6.markmonitor.com
ns7.markmonitor.com
ns1.markmonitor.com
ns2.markmonitor.com
ns3.markmonitor.com
ns4.markmonitor.com
ns5.markmonitor.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.crhna.com include:spf.protection.outlook.com ip4:104.192.32.80 ip4:168.245.93.106 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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- _spjxg7z342bsdxb0sighrhy6rekht4n
- apple-domain-verification=uknbzzGLcW2GtGoS
- wombat-verification=3KwxVCQV1HEp-aRXRTKKaZ5G0frhk
- teamviewer-sso-verification=0fad08140cd24596a0d6daa5205a2771
- adobe-idp-site-verification=1cf630304a394497e92c95b1637cc5e487d32e7940de3c722f37dab39ff49265
- SPFv=spf1 include:_spf.crhna.com include:spf.protection.outlook.com ip4:104.192.32.80 ip4:168.245.93.106 -all
- MS=ms22471143
- dbqdd5kq4kq8g8fd26vl9021li
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