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.

DNS

rub.de

19 answer records
Retrieved · 2026-09-25T09:17:17+00:00View JSON
ANOERRORAD yes
AAAANOERRORAD yes
MXNOERRORAD yes
NSNOERRORAD yes
CNAMENOERROR · no answersAD yes
TXTNOERRORAD yes
SOANOERRORAD yes
CAANOERRORAD yes

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.

TypeNameTTL · secondsValueLook up
Arub.de3600134.147.64.10IP WHOIS →
AAAArub.de36002a05:3e00:1:1002::64:10IP WHOIS →
MXrub.de360010 mi.ruhr-uni-bochum.de.DNS →
NSrub.de3600dns1.ruhr-uni-bochum.de.DNS →
NSrub.de3600dns2.ruhr-uni-bochum.de.DNS →
TXTrub.de3600"apple-domain-verification=Do06TXqqgCK5apVH"—
TXTrub.de3600"google-site-verification=DjVLPWJ2ub7fqE8MVMN67zHZJF-5ZiW8JTbqtxJ9X5M"—
TXTrub.de3600"mindmanager-verification=48b8b652842c93d93edcd6d693fbb40d9e1d037bd9bbb2083843929876b0aa66"—
TXTrub.de3600"adobe-idp-site-verification=9dbefc807fe5d39976c34678175f86b0418bc5178b56febd01014c8a65fd0511"—
TXTrub.de3600"v=spf1 exists:%{ir}.%{v}._spfx.mail.ruhr-uni-bochum.de exists:%{ir}._ip.%{l1r+}._spfx.mail.ruhr-uni-bochum.de ~all"—
SOArub.de3600dns1.ruhr-uni-bochum.de. hostmaster.ruhr-uni-bochum.de. 2026324705 1800 450 604800 900—
CAArub.de36000 iodef "mailto:abuse@ruhr-uni-bochum.de"—
CAArub.de36000 issue "harica.gr"—
CAArub.de36000 issue "letsencrypt.org"—
CAArub.de36000 issue "pki.dfn.de"—
CAArub.de36000 issue "sectigo.com"—
CAArub.de36000 issue "telesec.de"—
CAArub.de36000 issue "zerossl.com"—
CAArub.de36000 issuewild ";"—
Authority records · 1
TypeNameTTL · secondsValueLook up
SOArub.de900dns1.ruhr-uni-bochum.de. hostmaster.ruhr-uni-bochum.de. 2026324705 1800 450 604800 900—

Results reflect the public DNS view and recursive caching; 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.