Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
denbow.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 16:31:29 UTC · ↺ Refresh
MX Hostnames
- mx-01.eml100yul.ctr.sophos.com
- mx-02.eml100yul.ctr.sophos.com
MX Priorities
- mx-02.eml100yul.ctr.sophos.com: 5
- mx-01.eml100yul.ctr.sophos.com: 0
A / AAAA Records
- 172.67.168.59 (no PTR)
- 104.21.26.59 (no PTR)
- 2606:4700:3037::6815:1a3b (no PTR)
- 2606:4700:3036::ac43:a83b (no PTR)
Mail Server IPs
- 15.223.21.29 ↩ ec2-15-223-21-29.ca-central-1.compute.amazonaws.com
- 3.97.202.116 ↩ ec2-3-97-202-116.ca-central-1.compute.amazonaws.com
- 99.79.0.98 ↩ ec2-99-79-0-98.ca-central-1.compute.amazonaws.com
SOA Record
Raw SOA
dom.ns.cloudflare.com dns.cloudflare.com 2399314550 10000 2400 604800 1800
Primary NS (mname)
dom.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399314550
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lola.ns.cloudflare.com
dom.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=denbow.com.spf.sophosdmarc.net
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 redirect=denbow.com.spf.sophosdmarc.net
- MS=ms60517016
- i29edgpqbr4jbpblvt1vo041fs
- sending_domain1068432=f2583d14d9f50a2f419240c14edbdfdc8a088036f3fd614899582ab7021d1361
- sophos-domain-verification=c626ad3df204623d77420aa38d40180a0ee817db3bc0566d2c68fee1d76b33a9
- sophos-domain-verification=eacd8d34e8991ff5c6da7013213191f226e898b4
Full email verification for denbow.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits