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
37 answer recordsisc.org
ANOERRORAD yes
AAAANOERRORAD yesResponse from 2001:500:2c::254.
MXNOERRORAD yesResponse from 199.6.1.52.
NSNOERRORAD yesResponse from 199.6.1.52.
CNAMENOERROR · no answersAD yesResponse from 2001:500:2c::254.
TXTNOERRORAD yesResponse from 2001:500:60:d::52.
SOANOERRORAD yesResponse from 2001:500:60:d::52.
CAANOERRORAD yesResponse from 2001:500:2c::254.
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 | isc.org | 2 | 151.101.131.42 | IP WHOIS → |
| A | isc.org | 2 | 151.101.3.42 | IP WHOIS → |
| A | isc.org | 2 | 151.101.195.42 | IP WHOIS → |
| A | isc.org | 2 | 151.101.67.42 | IP WHOIS → |
| AAAA | isc.org | 300 | 2a04:4e42::810 | IP WHOIS → |
| AAAA | isc.org | 300 | 2a04:4e42:600::810 | IP WHOIS → |
| AAAA | isc.org | 300 | 2a04:4e42:200::810 | IP WHOIS → |
| AAAA | isc.org | 300 | 2a04:4e42:400::810 | IP WHOIS → |
| MX | isc.org | 300 | 5 mx.pao1.isc.org. | DNS → |
| MX | isc.org | 300 | 10 mx.ams1.isc.org. | DNS → |
| NS | isc.org | 7200 | ns1.isc.org. | DNS → |
| NS | isc.org | 7200 | ns.isc.afilias-nst.info. | DNS → |
| NS | isc.org | 7200 | ns3.isc.org. | DNS → |
| NS | isc.org | 7200 | nsp.dnsnode.net. | DNS → |
| NS | isc.org | 7200 | ns2.isc.org. | DNS → |
| TXT | isc.org | 7200 | google-site-verification=6v652rgkk_kI6Ky32iGdxqXjQ4_BAd5DYKsrnRXKUiE | — |
| TXT | isc.org | 7200 | MS=2583E0E0DCCBF33EC6DAFF0B4BFBAF78FFCF7AD0 | — |
| TXT | isc.org | 7200 | google-site-verification=wg4m8dWi3XVPRYmtBoy6xSKp3juhxIWa6UdxjZkNQCg | — |
| TXT | isc.org | 7200 | v=spf1 a mx ip4:149.20.0.0/20 ip6:2001:04F8::0/32 ip6:2001:500:60::65/128 ip4:199.6.1.0/24 ip6:2001:500:6b:2::0/64 include:shops.shopify.com include:servers.mcsv.net include:_spf.salesforce.com include:spf-a.customercenter.net include:spf-b.customercenter.net include:spf-c.customercenter.net ~all | — |
| TXT | isc.org | 7200 | _globalsign-domain-verification=ckxXdoIq27XGYE4ATbBYQOBeV7PTJWRxYe-PXDyzMX | — |
| TXT | isc.org | 7200 | google-site-verification=grXE1SbXWNed6C5yQgI8fwxgucE0DppnbICbhZr9qG0 | — |
| TXT | isc.org | 7200 | F8C4EB9011 | — |
| SOA | isc.org | 7200 | ns-int.isc.org. hostmaster.isc.org. 2026091649 7200 3600 24796800 3600 | — |
| CAA | isc.org | 7200 | 0 issue "certainly.com" | — |
| CAA | isc.org | 7200 | 0 issuewild "usertrust.com" | — |
| CAA | isc.org | 7200 | 0 issue "comodoca.com" | — |
| CAA | isc.org | 7200 | 0 issue "pki.goog" | — |
| CAA | isc.org | 7200 | 0 issuewild "globalsign.com" | — |
| CAA | isc.org | 7200 | 0 issue "letsencrypt.org" | — |
| CAA | isc.org | 7200 | 0 issue "Digicert.com" | — |
| CAA | isc.org | 7200 | 0 issuewild "sectigo.com" | — |
| CAA | isc.org | 7200 | 0 issue "sectigo.com" | — |
| CAA | isc.org | 7200 | 0 iodef "mailto:hostmaster@isc.org" | — |
| CAA | isc.org | 7200 | 0 issuewild "certainly.com" | — |
| CAA | isc.org | 7200 | 0 issue "globalsign.com" | — |
| CAA | isc.org | 7200 | 0 issuewild "comodoca.com" | — |
| CAA | isc.org | 7200 | 0 issuewild "trust-provider.com" | — |
Authority records · 1
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| SOA | isc.org | 1800 | ns-int.isc.org. hostmaster.isc.org. 2026091649 7200 3600 24796800 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.