Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
dupontregistry.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 10:42:33 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
- alt2.aspmx.l.google.com: 30
- aspmx2.googlemail.com: 40
- aspmx3.googlemail.com: 50
A / AAAA Records
- 52.52.20.181 ↩ ec2-52-52-20-181.us-west-1.compute.amazonaws.com
- 52.52.36.155 ↩ ec2-52-52-36-155.us-west-1.compute.amazonaws.com
Mail Server IPs
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns-627.awsdns-14.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-627.awsdns-14.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-627.awsdns-14.net
ns-1459.awsdns-54.org
ns-1919.awsdns-47.co.uk
ns-386.awsdns-48.com
SPF Record
✓ Strict (-all)
v=spf1 a:dupontregistry.com include:_spf.google.com include:servers.mcsv.net include:spf.us.exclaimer.net include:shops.shopify.com include:21030015.spf04.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine; pct=10; adkim=r; aspf=r; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._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
24 records- SPFv=spf1 a:dupontregistry.com include:_spf.google.com include:servers.mcsv.net include:spf.us.exclaimer.net include:shops.shopify.com include:21030015.spf04.hubspotemail.net -all
- linkedin-site-verification=4439fcc4-8fb3-4a64-bfba-fb401caf0b87
- MS=ms19573363
- google-site-verification=R7a6cXmVUTNfZEZKoMA2DMmYh7iDpNr09FhoWKYtVUc
- google-site-verification=CU7imXI_DqYBie46qZAmU-3j-kOfm5J5stpU5R8Uo1I
- klaviyo-site-verification=TCYWLT
- google-site-verification=ATiJSE8QzQYBgBDAC-AtTs9KvvyjAjSZW4cOU_I_dkM
- google-site-verification=QGViM-RqmpxYsiT1TyCXlJQ9nwUWtYM210allXe187c
- google-site-verification=aejAa54311nFwH5p7pGWv4hic6R0ziDjY4uV3echVAI
- anthropic-domain-verification-4brcep=e1G8lN8qifGtsKGnstXOEExHi
- globalsign-domain-verification=KaParXxs1OHDy7o8CMbPpHBN-2m_mzwdPqKMMQ66a6
- google-site-verification=WHyin-mZ8qAqqOalQEeQdFJbhtkh66A13FCkO-tMNN0
- google-site-verification=DqaT0A9hmhXBTulxor9u-EW-BoQ-el48HKvz0zWlZM0
- c2lminqrn2rl8th4q53rronjg1
- cursor-domain-verification-rjfd2v=zfsOYdkTyFmfiw0Vm3du4q5Oy
- google-site-verification=wGp9hEkqXRXm7VqRUedPHa3XnF9zMEeRunNo_seKrec
- google-site-verification=RVSzdDwpjGD2qE7cKpTo4POz1o4tS6YLVYDdln7F84k
- MS=ms98174764
- google-site-verification=5n39xXMjtNQn0Dp2BCcNJZVLLvcws8TdSY1_q8aYd0g
- atlassian-domain-verification=WA0Hso53JUTS4nCXIw8IdyQiB2xLFDNvKtuvNP5y9qU95KaoSji9IhtazXS7iFnd
- google-site-verification=hqAgBJNW7sliK62j-2YNc_kQlQY4shJdpY7JjDan0mk
- facebook-domain-verification=va71mj7sq3833ewjv6z3c2w4i5ef7t
- MS=ms12134571
- google-site-verification=PuYVgq-ewSonkSTw-Gl8XGQkK1OVjH5uh-_NsSrvlqQ
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