Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
appdynamics.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:40:40 UTC · ↺ Refresh
MX Hostnames
- aer-mx-01.cisco.com
- rcdn-mx-01.cisco.com
- alln-mx-01.cisco.com
MX Priorities
- alln-mx-01.cisco.com: 10
- rcdn-mx-01.cisco.com: 20
- aer-mx-01.cisco.com: 30
A / AAAA Records
- 204.107.141.160 (no PTR)
Mail Server IPs
- 173.37.147.230 ↩ alln-mx-01.cisco.com
- 2001:420:1201:6::ad25:93e6 ↩ alln-mx-01.cisco.com
- 72.163.7.166 ↩ rcdn-mx-01.cisco.com
- 2001:420:1101:7::48a3:166 ↩ rcdn-mx-01.cisco.com
- 173.38.212.150 ↩ aer-mx-01.cisco.com
- 2001:420:4621::ad26:d496 ↩ aer-mx-01.cisco.com
SOA Record
Raw SOA
ns-1681.awsdns-18.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1681.awsdns-18.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-780.awsdns-33.net
ns-82.awsdns-10.com
ns-1486.awsdns-57.org
ns-1681.awsdns-18.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:amazonses.com include:mail.zendesk.com include:mktomail.com ip4:184.106.95.42/32 ip4:166.78.71.191/32 include:_ciscospf1.appdynamics.com include:_ciscospf2.appdynamics.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
11 records- smartsheet-site-validation=bE02wEv065pjixm8DjPgBCh94ryiJbTY
- SPFv=spf1 include:amazonses.com include:mail.zendesk.com include:mktomail.com ip4:184.106.95.42/32 ip4:166.78.71.191/32 include:_ciscospf1.appdynamics.com include:_ciscospf2.appdynamics.com include:spf.protection.outlook.com ~all
- wiz-domain-verification=73da2072a1cc87940887ee8278dd5253528b4bb4002a56e8b0c228de6e697334
- atlassian-domain-verification=HqUlioWlObq8V/9H3U3NiFUupiWvN1kHCN61x/6Xp5ZptFsHEtOtzKfygg33HKz1
- cisco-ci-domain-verification=323cbfe5090195e42222763ddad50655c6b3a8b1e62f996a23df4b99347a34b1
- docker-verification=0dd02d4d-9901-4c58-ac47-cdb2c679fd85
- google-site-verification=K8cTMB1o-D58T6y_F5fUFaA4ffXaeEscJXuGXHNnuq8
- identrust_validate=dK3IlEgXJZimvj2rj9stZ61F5mciopoAh8gafM02E4Qv
- miro-verification=53bf5ccd47cb6239fe5cf14c3b328050dd5679ac
- ms-domain-verification=0c472442-e6bc-4092-a7f6-15bcf3386c5f
- ms-domain-verification=a44b36b5-5f82-47c8-b5fb-a21635f5dcde
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