THE RECORDS BEHIND THE NAME
DNS lookup.
Explore resource records, mail routing and reverse DNS.
Public IPs automatically use PTR. Common records queries A, AAAA, MX, NS, CNAME, TXT, SOA and CAA separately.
Querying DNS records…
DNS
8 answer records · Partialmarkmonitor-com.mail.protection.outlook.com
NS: resolver returned SERVFAIL. This is a DNS error, not an empty record set.
CNAME: resolver returned SERVFAIL. This is a DNS error, not an empty record set.
TXT: resolver returned SERVFAIL. This is a DNS error, not an empty record set.
ANOERRORAD noResponse from 104.47.72.81.
AAAANOERRORAD noResponse from 104.47.34.49.
MXNOERROR · no answersAD noResponse from 52.102.36.38.
NSSERVFAILAD noSuspicious or confusing response received.
CNAMESERVFAILAD noName servers do not support this query [104.47.72.81, 104.47.34.17].
TXTSERVFAILAD noName servers do not support this query [52.102.36.38, 52.102.36.246, 104.47.72.81, 52.102.37.6, 104.47.34.17].
SOANOERROR · no answersAD noResponse from 104.47.34.17.
CAANOERROR · no answersAD noResponse from 52.102.36.150.
AD indicates that the resolver reports DNSSEC-validated data. “AD no” can also mean the zone is unsigned. NXDOMAIN is a DNS result, not a domain-availability check.
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| A | markmonitor-com.mail.protection.outlook.com | 10 | 52.101.89.2 | IP WHOIS → |
| A | markmonitor-com.mail.protection.outlook.com | 10 | 52.101.99.2 | IP WHOIS → |
| A | markmonitor-com.mail.protection.outlook.com | 10 | 52.101.99.0 | IP WHOIS → |
| A | markmonitor-com.mail.protection.outlook.com | 10 | 52.101.89.1 | IP WHOIS → |
| AAAA | markmonitor-com.mail.protection.outlook.com | 10 | 2a01:111:f403:ca0b:: | IP WHOIS → |
| AAAA | markmonitor-com.mail.protection.outlook.com | 10 | 2a01:111:f403:ca0b::1 | IP WHOIS → |
| AAAA | markmonitor-com.mail.protection.outlook.com | 10 | 2a01:111:f403:ca0b::2 | IP WHOIS → |
| AAAA | markmonitor-com.mail.protection.outlook.com | 10 | 2a01:111:f403:ca1a:: | IP WHOIS → |
Authority records · 1
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| SOA | mail.protection.outlook.com | 1800 | ns1-proddns.glbdns.o365filtering.com. hostmaster.o365filtering.com. 2013010801 3600 600 86400 3600 | — |
Queries are sent to Google Public DNS over HTTPS. Results reflect its public DNS view and cache; they may differ from your local network. TXT strings retain their DNS quoting. Common records does not enumerate every name or record in a zone.