Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lvhn.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:41:52 UTC · ↺ Refresh
MX Hostnames
- mail.jefferson.edu
MX Priorities
- mail.jefferson.edu: 0
A / AAAA Records
- 23.185.0.1
- 2620:12a:8001::1
- 2620:12a:8000::1
Mail Server IPs
- 147.140.23.69 ↩ smtpin07pb.jefferson.edu
- 147.140.23.68 ↩ smtpin07pa.jefferson.edu
- 147.140.23.67 ↩ smtpin06pb.jefferson.edu
- 147.140.23.66 ↩ smtpin06pa.jefferson.edu
- 147.140.23.46 ↩ smtpin05pb.jefferson.edu
- 147.140.23.43 ↩ smtp.jefferson.edu
- 147.140.23.77 ↩ smtpin04pa.jefferson.edu
- 147.140.23.42 ↩ smtp.jefferson.edu
- 147.140.23.40 ↩ smtp.jefferson.edu
- 147.140.23.74 ↩ smtpin02pb.jefferson.edu
- 147.140.23.52
- 147.140.23.51
- 147.140.23.35
- 147.140.23.64
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.lvhn.org 59 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@lvhn.org
Serial
59
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns1.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net
SPF Record
✓ Strict (-all)
v=spf1 exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.30.spf-protect.agari-dns.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=s; aspf=s; fo=1; pct=25; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 25% of failing messages only
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
24 records- cryqz6wtyqnmw6356kft04z2hl25q1rs
- google-site-verification=eve1ExXE9S0nN_Isux69k7EJJ9XS-N2OW0xklpXLAhc
- pexip-ms-tenant-domain-verification=9e7491ff-9fe6-459e-ad5b-755597ec307c
- google-site-verification=ELUN36ZpRN8py_xCsjr8vEguOsmXUuBUFUdpc9MuML0
- apple-domain-verification=jKa_p1JY3LXtyAuHH3hq7_yuK-n6E9oTd0C_jVelPDk
- Fastly-190744-210221-466600
- ciscocidomainverification=73002a990b55fee21e4645060b3d2df91ebda8d049aa964346683f53b35c7b16
- p1bczrk7h3dxl5d5lj1wghgcl99t3gz0
- hfbx1fbw5crt4rymjzhxxx058f8jkqdg
- 3669b1192149c82dd1fef39961b029c94d2973d1ab9cef2a781b0496a401091f
- MS=ms94877309
- MS=ms22474571
- google-site-verification=Mvohll3dCiMiVrd7qROP6-5qyKwgqL076BCsTsGzhkw
- m16zrsgqt9d7w6j4g107jd7hbzp18861
- _92m925ww4kdugb0i3ny30b4lgq5v7c4
- atlassian-domain-verification=MgqupOc6I0GnF/DeZlER/pJNEQRAgdPV8Jup9JyvjttB1gn4zlBr3aJwqPzDM5wQ
- apple-domain-verification=ub169K3kLH70TADN
- facebook-domain-verification=v3qq440yqhcpuhx6jzzs9b32adn7tn
- google-gws-recovery-domain-verification=59454898
- _nb46616cttpfeyd83k0a8bm299g47o1
- SPFv=spf1 exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.30.spf-protect.agari-dns.net -all
- google-site-verification=UOmrZxTHXYOwE1WTHgbyJdIILlDVqvMsZcF4hSrgsO8
- 4csBiWQCqsWr9kQ9FVqOCpbKcfTlydrymRr+yyRCcTP+StVFKvfQtfZTXLmEtg/CY5l/WzqC65A45SRjuyp3rA==
- _57jw65s18rjroz975g2dy30dmaclw8l
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