Name Servers
symantec.org. 1200 IN NS edns161.ultradns.biz. symantec.org. 1200 IN NS edns161.ultradns.com. symantec.org. 1200 IN NS edns161.ultradns.net. symantec.org. 1200 IN NS edns161.ultradns.org.
Mail Servers
symantec.org. 1200 IN MX 10 tus1smtinbpex03.symantec.com. symantec.org. 1200 IN MX 10 tus1smtinbpex01.symantec.com. symantec.org. 1200 IN MX 10 tus1smtinbpex02.symantec.com.
SOA Details
symantec.org. 1200 IN SOA lvn-exdns-1.broadcom.net. domains\.admin.broadcom.com. 2021021909 10800 3600 2592000 300
Certificate Authority Authorization
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
symantec.org. 600 IN DMARC v=DMARC1; p=reject; rua=mailto:[email protected]
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
|
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| + Pass | ip4 |
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| ~ Softfail | all |
—
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symantec.org. 1200 IN TXT "v=spf1 ip4:216.10.194.28 ip4:216.10.194.135 ip4:202.75.191.8 ip4:216.10.195.241 ip4:216.10.195.242 ip4:216.10.195.243 ip4:166.98.1.209 ip4:166.98.1.210 ~all"
MTA-STS
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).