Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
irby.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 04:43:12 UTC · ↺ Refresh
MX Hostnames
- de-smtp-inbound-2.mimecast.com
- de-smtp-inbound-1.mimecast.com
MX Priorities
- de-smtp-inbound-1.mimecast.com: 0
- de-smtp-inbound-2.mimecast.com: 0
A / AAAA Records
- 45.60.121.59 (no PTR)
- 45.60.131.59 (no PTR)
Mail Server IPs
- 194.104.108.22 ↩ de-smtp-inbound-2.mimecast.com
- 194.104.110.22 ↩ de-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns101.sonepar-us.com please_set_email.absolutely.nowhere 350 18000 3600 2592000 900
Primary NS (mname)
ns101.sonepar-us.com
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
350
Refresh
18000s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
ns101.sonepar-us.com
ns201.sonepar-us.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.irby.com include:spf2.irby.com include:us._netblocks.mimecast.com include:de._netblocks.mimecast.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
~ 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: 216 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
17 records- facebook-domain-verification=areolsonnolhh9rfxmeu7uq22skkdm
- globalsign-domain-verification=693006a5de62833ba6483f8809fa64d4
- globalsign-domain-verification=a9aefd61a90fce1e07b31034952e5a15
- globalsign-domain-verification=4ac4f331963ac4eb647067c919051ef5
- cisco-ci-domain-verification=40770dc5dca817c55b5cad0b2fb2b069d0204924db2f273887cc681b68f17aa9
- gvM8vtKkU2xY46ju7tMM+8WTiOr6L+Nhf6hQjJ9Mq7smUBfjdmmmmkAnhDOGoyRJr8mWyFSr0ZTHUyjRRY4DVA==
- SPFv=spf1 include:spf1.irby.com include:spf2.irby.com include:us._netblocks.mimecast.com include:de._netblocks.mimecast.com -all
- globalsign-domain-verification=833e7b35ea8b3aefb4ab88534f4a3e85
- globalsign-domain-verification=ec9ea20cc5fe80744e44bbaac08940c7
- kaoiphl.x.incapdns.net
- atlassian-domain-verification=aEOxUchWUvDRYYVE4vMNBniZHjihCxHBrV0XgrxSa5Id0P/bg6hmroZR6kmizzLR
- nitro-verification-code=LTMzMzc4NDE4MDU3OTA4MzM3MDc=
- google-site-verification=OoyfvMzUkltGgTrwI2Qt8brYiaKJON1azTdex6B9Ku8
- globalsign-domain-verification=D9780799DA37FD2B771247A18CC8D0EB
- MS=ms98658919
- globalsign-domain-verification=4a969bb721763d5561b19f8533a16611
- knowbe4-site-verification=463a9c6ab0d5c858ec9feb439f4390e1
Full email verification for irby.com
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