Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
century21.ca
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 20:26:20 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 44.225.49.198
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009010549 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009010549
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns13.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:199.66.75.0/25 ip4:18.184.135.218 ip4:71.5.105.66 ip4:64.58.231.109 ip4:67.227.87.245 ip4:216.169.99.81 include:_spf.google.com include:spf.protection.outlook.com include:_spf.elasticemail.com include:spf.bms.imprev.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- ct5AX7Kw
- SPFv=spf1 ip4:199.66.75.0/25 ip4:18.184.135.218 ip4:71.5.105.66 ip4:64.58.231.109 ip4:67.227.87.245 ip4:216.169.99.81 include:_spf.google.com include:spf.protection.outlook.com include:_spf.elasticemail.com include:spf.bms.imprev.net ~all
- knowbe4-site-verification=1a072d7df086d0dbdb0d2934d5ac90ab
- google-site-verification=9GPIj6zLFr8g2CtNtcnMN9uWzbAo71VXn-IRsuiZ2XQ
- MS=ms64433365
- canva-site-verification=dhE067RoF3HjUfRGoqZZzg
- google-site-verification=DCctUrg8rwk0TvivizitgkHg42MmFRUoXjtmgILn8XI
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for century21.ca
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits