Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marietta-city.k12.ga.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 22:03:16 UTC · ↺ Refresh
MX Hostnames
- mcs-titan.marietta-city.org
- mariettacity-k12-ga-us02b.mail.protection.outlook.com
MX Priorities
- mcs-titan.marietta-city.org: 10
- mariettacity-k12-ga-us02b.mail.protection.outlook.com: 20
A / AAAA Records
- 216.235.150.23 ↩ apps.marietta-city.org
Mail Server IPs
- 216.235.150.50 (no PTR)
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ddimaster.bor.usg.edu hostmaster.usg.edu 613933082 600 180 3600000 3600
Primary NS (mname)
ddimaster.bor.usg.edu
Admin Email (rname)
hostmaster@usg.edu
Serial
613933082
Refresh
600s
Retry
180s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns2.usg.edu
ns4.usg.edu
ns1.usg.edu
ns3.usg.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:216.235.150.10 ip4:216.235.150.24 ip4:208.64.237.225 ip4:208.64.238.25 include:_spf.bbnotify.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- mxFJhDUX4cX9U6pt3tGG8VEwseOJQRQRZATCOCm70nkACi9ngMMfw4+kh85NtkBGKh8iLGwRHM7KzRUWkrmLpg==
- MS=ms82210352
- jc1t513bvbvnjruj4hp9ejbqq
- 65m05vgfpvql8mh2ebh9uk4lpn
- 287lh7muvkhd1mq1tc52dd8q78
- svqr13kctobm2ucimgnpsdaguc
- apple-domain-verification=CrUhpVRT41KjRunS
- ros1vks8lo6op1ihfs9apqkaso
- MS=DF664C42B18BE12427DB45057D46307B5686F3B2
- schoology-domain-verification=cc3c3ec7256f98a03d3cf71fcd68182e0e71ea55aa6060d36ff367005e67a2d0
- SPFv=spf1 mx a ip4:216.235.150.10 ip4:216.235.150.24 ip4:208.64.237.225 ip4:208.64.238.25 include:_spf.bbnotify.net include:spf.protection.outlook.com ~all
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