go
rl31.1blu.de has one IP number , which also has a corresponding reverse pointer. ns1.ns1.de, 3butler.net, nutshop.net, synfect.com, ibsgmbh.com and at least 51 other hosts point to the same IP. 1blu.de is a domain controlled by two nameservers at ns1.de. They are on different IP networks. Incoming mail for 1blu.de is handled by one mailserver at 1blu.de themselves. 1blu.de has one IP number. rl31.1blu.de is hosted on a server in Germany.

rl31.1blu.de
a records
 
+ 213.83.63.221 213.83.0.0/18 AS12306 -
+ --- -

*.1blu.de
a records
 
+ 213.83.63.68 213.83.0.0/18 AS12306  
+ ---  

1blu.de
a records
 
+ 213.83.63.130 213.83.0.0/18 AS12306  
+ ---  
ns-soa records
ns.ns1.de
+ 82.149.248.3 82.149.224.0/19 AS29551 82-149-248-3.static.aixit.com
+ --- 82-149-248-3.static.aixit.com
ns records
ns.ns1.de
+ 82.149.248.3 82.149.224.0/19 AS29551 82-149-248-3.static.aixit.com
+ --- 82-149-248-3.static.aixit.com
ns1.ns1.de
+ 213.83.63.221 213.83.0.0/18 AS12306 rl31.1blu.de
+ --- rl31.1blu.de
mx records
mail.1blu.de
+ 213.83.63.131 213.83.0.0/18 AS12306 -
+ --- -
ip numbers of host
213.83.63.221
ptrs of ip numbers
rl31.1blu.de
ip numbers using ptr to this host
213.83.63.221
hostnames sharing ip with a-records
3butler.net
best-to-web.com
business-and-life.com
cyprus-immobilien.com
cyprusimmobilien.com
dreibutler.com
earth-leakage-guard.net
eventlighter.net
fahrzeug-box.com
fahrzeugbox.net
fahrzeugsuchdienst.com
haschkamp.com
health-ship.com
houseforquality.com
hundeschule-michael-hermann.de
ias-advertising.com
ibsgmbh.com
iff-innovation.com
imed-medical.net
imed-trenntransformatoren.net
isolationswaechter.net
kiratlikoyu.com
konut-24.com
konut-center.com
konutcenter.com
kunstgussteam.com
leelacoaching.com
liegenschaftencenter.com
louis-mardin.com
louis-mardin.net
louismardin.com
louismardin.net
mail.hundeschule-michael-hermann.de
medizinische-stromversorgung.net
medizinische-trenntransformatoren.net
netzwerk-isolator.net
ns1.ns1.de
nut-shop.com
nutshop.net
onlinetextil.com
otomobil-center.com
otomobilcenter.com
prolipsi.net
prophylaxecompany.net
schloss-eggersberg.com
sterbfritz.net
stockposten.com
synfect.com
thermtrace.com
threebutler.com
tight-window.com
toolexperte.com
traum-treff.com
trend-present.com
trenntransformatoren.net
xn--zogul-iua.com
domains using this as mailserver under another name
3butler.net
best-to-web.com
business-and-life.com
fahrzeugsuchdienst.com
haschkamp.com
health-ship.com
ias-advertising.com
ibsgmbh.com
iff-innovation.com
netzwerk-isolator.net
otomobil-center.com
prolipsi.net
prophylaxecompany.net
sterbfritz.net
traum-treff.com