Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ryerson.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:02:17 UTC · ↺ Refresh
MX Hostnames
- mxa-00304a01.gslb.pphosted.com
- mxb-00304a01.gslb.pphosted.com
MX Priorities
- mxb-00304a01.gslb.pphosted.com: 0
- mxa-00304a01.gslb.pphosted.com: 0
A / AAAA Records
- 18.160.41.20 ↩ server-18-160-41-20.iad55.r.cloudfront.net
- 18.160.41.10 ↩ server-18-160-41-10.iad55.r.cloudfront.net
- 18.160.41.126 ↩ server-18-160-41-126.iad55.r.cloudfront.net
- 18.160.41.31 ↩ server-18-160-41-31.iad55.r.cloudfront.net
Mail Server IPs
- 148.163.146.101 ↩ mx0a-00304a01.pphosted.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009011343 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009011343
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns25.digicertdns.net
ns24.digicertdns.net
ns21.digicertdns.com
ns20.digicertdns.com
ns22.digicertdns.com
ns23.digicertdns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
21 records- twilio-domain-verification=89e79abe4ca56d222638b5b653ec6bf2
- google-site-verification=nYzBsqd-FkdgmCF1Za53MlwW2hXz6i7Y-tOROcWJyNk
- ibmid=145dbdbb-7496-4aff-8cbd-b3ded83d5dee
- atlassian-domain-verification=OUmgqBaF0YZ39k5RbGtvVuOxo6XciasbpUopqoMRL8xYgCrdvNRRybaDfg274iCx
- dg10d0tnlibcp819f80189pp0f
- globalsign-domain-verification=5C342A036A95E67A20340A6EFC38C3E5
- sonr3jj8fgs2ohj2dq2lglkev5
- 7rukot6igv04te73kohsl9g1qc
- ppdqdl8md4vporr0556j6fctck
- deade53e54a84334994ead1bc91939f4
- fm70nk7bdq0najephsv00abang
- apple-domain-verification=YZElP2IM1BKKm3RM
- have-i-been-pwned-verification=dweb_zvfy4gs63vqmmxvwx860dls9
- DC1C361A5BCCFCED6C64A49553C48FAFCFF8D0605BAA58F0CE40BD9851956BB3
- Dynatrace-site-verification=e455ff5c-2d5b-4c1c-aded-3c9f586c9ee0__afpci45b5fi5aoj1esfq99kfeu
- solarwinds-service0desk-verification=e4609e8774dc0b074e2aa21a014157d9
- openai-domain-verification=dv-q5rKE4Ofbr66i5YIuQ5tOanG
- successfactors-site-verification=MWQ1Yjc0MDdiZGVjMDlkN2RiNTkxMDRkMjk3MGVhMWVhNTkwMWRiNzdlOWMyYjhlZGIzMmNiYzVhMzQ5ZmQ5YQ==
- t5jhpj7jap6npp0lfavsm3q8gi
- successfactors-site-verification=MWQ1Yjc0MDdiZGVjMDlkN2RiNTkxMDRkMjk3MGVhMWVhNTkwMWRiNzdlOWMyYjhlZGIzMmNiYzVhMzQ5ZmQ5YQ== TTL: 3600
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
Full email verification for ryerson.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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