Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nulton.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 17:45:37 UTC · ↺ Refresh
MX Hostnames
- d97134a.ess.barracudanetworks.com
- d97134b.ess.barracudanetworks.com
MX Priorities
- d97134a.ess.barracudanetworks.com: 1
- d97134b.ess.barracudanetworks.com: 5
A / AAAA Records
- 198.71.233.131 ↩ 131.233.71.198.host.secureserver.net
- 198.71.233.187 ↩ 187.233.71.198.host.secureserver.net
- 160.153.0.66 ↩ 66.0.153.160.host.secureserver.net
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010368 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010368
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns0.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:209.196.165.40/29 ip4:132.147.0.45/32 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
selector1._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
11 records- cisco-ci-domain-verification=20e34bf22e34fcb3e1bb1412d9ef7c77691c4b9b79cc4b2f7b78ca97db6850ce
- google-site-verification=gs0pt7QvYwgV6ZKJEwx2ZB0pTHOf6M2qCPy4-AKDiLM
- google-site-verification=hJlk8QiX-VzRGOcGjBITEvEurtkbwUi8LvIE4RxFWj8
- 5dgfsir2dtk1tu7r5cgsi7ro10
- google-site-verification=jj_WrLdWc6VmgUYtjSBxMaffIGLsK-mUl0boX0D6tho
- SPFv=spf1 mx ip4:209.196.165.40/29 ip4:132.147.0.45/32 include:spf.ess.barracudanetworks.com -all
- apple-domain-verification=g5J1XDvDi7rL4w7K
- MS=BC352AABAF09C8649BFC4D4042C0F46656D6B703
- m6nkmt8738nbcn6ne00ek00i01
- apple-domain-verification=kYLFITqziwxRU8AU
- v=verifydomain MS=3363739
Full email verification for nulton.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits