prof.lu - dns.ninja

`prof.lu`

DNSSEC	⚠️ Not signed
A	185.189.228.180^{🇩🇪 Hetzner185.189.228.0/24}
		PTR	`forward.domainxyz.de`
NS	`m.de.ha-dns.net` ⭐
		A	2001:8d8:fe:53:217:160:80:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
NS	`f2.de.ha-dns.net`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.org`
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.org`
NS	`ka2.de.ha-dns.net`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
NS	`lxa.us.ha-dns.net`
		A	2607:f1c0:fe:53:185:132:34:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.com`
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.com`
MX	`mx1a.fritz-services.com` ⭐
		A	138.201.32.33^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
			PTR	`smtp-h248641.fritz.gmbh`
MX	`mx1b.fritz-services.com` ⭐
		A	88.99.193.182^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
			PTR	`smtp-h500196.fritz.gmbh`
TXT	`v=spf1 include:fritz-services.com -all`
SOA	`m.de.ha-dns.net`do-not-reply@prof.lu 2024-10-24 #1

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`1.ns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	NS	`r.ns.lu`
	TXT	`Exported: 2026-07-21 04:01:02`
	SOA	`1.ns.lu`noc@restena.lu serial=1784599273

Subdomains

www.prof.lu

Same first word

prof.money

prof.tools

prof.fr

prof.pl

prof.actor

prof.az

prof.ge

prof.ie

prof.institute

prof

prof.pt

prof.no

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prof.lv

prof.ninja

prof.it

prof.at

prof.asia

prof.in.ua

prof.us

prof.today

prof.me

prof.lt

prof.co

prof.com

prof.run

prof.com.ua

prof.as

prof.ce.gov.br

prof.lu

prof.pro

prof.hu

prof.ba

prof.tn

prof.fi

prof.in

prof.pr

prof.net

prof.nl

prof.coach

prof.life

prof.se

prof.com.mx

prof.by

prof.com.pt

prof.group

prof.nu

prof.de

prof.info

prof.cz

prof.org.uk

prof.shop

prof.ru

prof.re

prof.world

prof.dk

prof.cn

prof.be

prof.ca

prof.cc

prof.city

prof.co.nz

prof.eu

prof.center

prof.im

prof.org

prof.mx

prof.tw

prof.ru.com

prof.ai

prof.tv

prof.ir

prof.com.tr

Similar names

prfo.com

frop.org

forp.org

forp.cz

pfor.org

pofr.de

oprf.com

rfop.se

rpfo.com

frop.ru

pofr.df.gov.br

ofpr.nl

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ropf.ru

fpro.eu

fpro.net

rpfo.ru

fpro.co

opfr.com

frpo.es

frop.nl

rfop.hu

ofpr.com

forp.net

ofrp.fr

fpro.org

fpro.by

rpfo.ca

rpof.net

forp.com.ua

ofrp.cn

pfro.cn

rpof.org

orfp.fr

fpro.vn

frop.pl

frop.com.ua

fpro.pro

rpfo.de

oprf.de

ofpr.cn

rpof.com

rfop.com

ropf.ch

fpro.pl

ofrp.ru

fpro.com

fpro.tw

fpro.ch

fpro.us

frop.net

fpro.com.br

orpf.ir

oprf.cn

frop.com.pl

pofr.co.uk

forp.mobi

forp.pl

pfro.de

DNS History

13 records (7 active, 6 former)

●NSf2.de.ha-dns.net2015-05-30 → 2026-07-21 · 2 obs

● 2015-05-30 14:05:56
● 2026-07-21 03:23:18

●NSka2.de.ha-dns.net2015-05-30 → 2026-07-21 · 2 obs

● 2015-05-30 14:05:56
● 2026-07-21 03:23:18

●NSlxa.us.ha-dns.net2015-05-30 → 2026-07-21 · 2 obs

● 2015-05-30 14:05:56
● 2026-07-21 03:23:18

●NSm.de.ha-dns.net2015-05-30 → 2026-07-21 · 2 obs

● 2015-05-30 14:05:56
● 2026-07-21 03:23:18

○MXmx.me1.mails.mx2015-05-30 → 2016-07-17 · 4 obs

● 2015-05-30 14:05:56
● 2016-07-17 14:06:34
○ 2016-12-12 17:14:26
○ 2026-07-21 03:23:18

○MXmx1-me1.fritz-services.com2016-12-12 → 2016-12-12 · 4 obs

○ 2016-07-17 14:06:34
● 2016-12-12 17:14:26
○ 2026-04-01 11:45:54
○ 2026-07-21 03:23:18

●MXmx1a.fritz-services.com2026-04-01 → 2026-07-21 · 3 obs

○ 2016-12-12 17:14:26
● 2026-04-01 11:45:54
● 2026-07-21 03:23:18

●MXmx1b.fritz-services.com2026-04-01 → 2026-07-21 · 3 obs

○ 2016-12-12 17:14:26
● 2026-04-01 11:45:54
● 2026-07-21 03:23:18

○MXmx2-me1.fritz-services.com2016-12-12 → 2016-12-12 · 4 obs

○ 2016-07-17 14:06:34
● 2016-12-12 17:14:26
○ 2026-04-01 11:45:54
○ 2026-07-21 03:23:18

○MXmx2.mails.mx2015-05-30 → 2016-07-17 · 4 obs

● 2015-05-30 14:05:56
● 2016-07-17 14:06:34
○ 2016-12-12 17:14:26
○ 2026-07-21 03:23:18

○A185.141.201.1582016-12-12 → 2016-12-12 · 4 obs

○ 2016-07-17 14:06:34
● 2016-12-12 17:14:26
○ 2026-04-01 11:45:54
○ 2026-07-21 03:23:18

●A185.189.228.1802026-04-01 → 2026-07-21 · 3 obs

○ 2016-12-12 17:14:26
● 2026-04-01 11:45:54
● 2026-07-21 03:23:18

○A78.47.36.1162015-05-30 → 2016-07-17 · 4 obs

● 2015-05-30 14:05:56
● 2016-07-17 14:06:34
○ 2016-12-12 17:14:26
○ 2026-07-21 03:23:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	r.ns.lu, 1.ns.lu, g.dns.lu, k.dns.lu...	-
prof.lu	m.de.ha-dns.net, lxa.us.ha-dns.net, ka2.de.ha-dns.net, f2.de.ha-dns.net	-

✅ Authoritative Response

Server:217.160.80.161

NS records: m.de.ha-dns.net, lxa.us.ha-dns.net, ka2.de.ha-dns.net, f2.de.ha-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prof.lu (unsigned zone)

⏱️ Timing

Total: 658ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.189.228.180`
NS	4	`lxa.us.ha-dns.net, f2.de.ha-dns.net...`
MX	2	`mx1b.fritz-services.com (pri: 100), mx1a.fritz-services.com (pri: 100)`
TXT	1	`v=spf1 include:fritz-services.com -all`
SOA	1	`m.de.ha-dns.net do-not-reply.prof.lu`

Analysis

Hierarchy

prof.lu is the parent zone for www.prof.lu.

IP Addresses

prof.lu resolves to one IP address: 185.189.228.180.

rheingewinn.info, h24228.domainxyz.de, web-collect.de and two other host names share IP numbers with prof.lu.

Name Servers

The authoritative name servers for prof.lu are f2.de.ha-dns.net, ka2.de.ha-dns.net, m.de.ha-dns.net and lxa.us.ha-dns.net.

prof.lu partially shares its NS delegation with several other domains, including hkyr.de, weiss-solutions.de, rhin.at and two others.

The name servers a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net are often found in use alongside these name servers.

f2.de.ha-dns.net, ka2.de.ha-dns.net, m.de.ha-dns.net and lxa.us.ha-dns.net each carry two IP addresses. f2.de.ha-dns.net has 185.132.35.161 and 2607:f1c0:fe:53:185:132:35:161; ka2.de.ha-dns.net has 217.160.81.161 and 2001:8d8:fe:53:217:160:81:161; m.de.ha-dns.net has 217.160.80.161 and 2001:8d8:fe:53:217:160:80:161; lxa.us.ha-dns.net has 185.132.34.161 and 2607:f1c0:fe:53:185:132:34:161.

Mail Servers

Mail for prof.lu is handled by two mail servers — mx1a.fritz-services.com and mx1b.fritz-services.com.

prof.lu uses an identical mail server configuration to several other domains — among them schmink.tv, happy-sunday.de, duschen4u.de and two more.

prof.lu partially shares its mail servers with other domains, klausniederhuber.com and werkstatt-test.com being examples.

mx1a.fritz-services.com resolves to 138.201.32.33. mx1b.fritz-services.com resolves to 88.99.193.182. Both host names point to a single IP number.