22
records
IPv4 Addresses
TTL
5m
5m
5m
5m
5m
lync.com. 300 IN A 20.112.250.133 lync.com. 300 IN A 20.231.239.246 lync.com. 300 IN A 20.236.44.162 lync.com. 300 IN A 20.70.246.20 lync.com. 300 IN A 20.76.201.171
Name Servers
TTL
lync.com. 300 IN NS ns1-34.azure-dns.com. lync.com. 300 IN NS ns2-34.azure-dns.net. lync.com. 300 IN NS ns3-34.azure-dns.org. lync.com. 300 IN NS ns4-34.azure-dns.info.
SOA Details
TTL
20m
SOA
Responsible
msnhst.microsoft.com
SOA
Serial
2017988128
SOA
Times
Refresh
5m
Retry
2m
Expire
28d
Minimum TTL
1m
lync.com. 1200 IN SOA ns1-34.azure-dns.com. msnhst.microsoft.com. 2017988128 300 120 2419200 60
Certificate Authority Authorization
TTL
CAA
—
5m
CAA
—
5m
5m
5m
5m
CAA
—
5m
lync.com. 300 IN CAA 0 contactemail "[email protected]" lync.com. 300 IN CAA 0 iodef "mailto:[email protected]" lync.com. 300 IN CAA 0 issue "digicert.com" lync.com. 300 IN CAA 0 issue "entrust.net" lync.com. 300 IN CAA 0 issue "globalsign.com" lync.com. 300 IN CAA 0 issue "microsoft.com"
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
lync.com. 300 IN DMARC v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
DKIM
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| - Fail | all |
—
|
|
20m
lync.com. 1200 IN TXT "v=spf1 -all"
MTA-STS
TTL
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).
DNSSEC Public Keys
TTL
DNSKEY
256 3 13 58qIs6yj8eiscwZ9A18gAdFyyhcZO4ymzr77AcNqnRGIf8Pa+UgZxWEh/6gJ8v8PHNsK7Q8rtCgwP7TN3BEZdQ==
20m
DNSKEY
257 3 13 nLWU7iAd6/dMjLHMroCY+xPDLJJceFGkFfNRRhj9nCCQDgV20jcoinqopKBtFZoJLpqyH56JOOQYIr2JO70hjg==
20m
lync.com. 1200 IN DNSKEY 256 3 13 58qIs6yj8eiscwZ9A18gAdFyyhcZO4ymzr77AcNqnRGIf8Pa+UgZxWEh/6gJ8v8PHNsK7Q8rtCgwP7TN3BEZdQ== lync.com. 1200 IN DNSKEY 257 3 13 nLWU7iAd6/dMjLHMroCY+xPDLJJceFGkFfNRRhj9nCCQDgV20jcoinqopKBtFZoJLpqyH56JOOQYIr2JO70hjg==
Delegation Signer
TTL
DS
13363 13 2 90DA9473F8F5C55B07CDEDB9BE6C44520127A772CA7A6AEF71C32758BAFD5FE4
20m
lync.com. 1200 IN DS 13363 13 2 90DA9473F8F5C55B07CDEDB9BE6C44520127A772CA7A6AEF71C32758BAFD5FE4
DNSSEC Next Secure
TTL
NSEC
.lync.com ["DNSKEY", "NSEC", "RRSIG", "TXT", "SOA", "NS", "A", "CAA"]
1m
lync.com. 60 IN NSEC .lync.com ["DNSKEY", "NSEC", "RRSIG", "TXT", "SOA", "NS", "A", "CAA"]