proref.net - dns.ninja

`proref.net`

DNSSEC	⚠️ Not signed
A	185.237.65.113^{🇩🇪 MITTWALD-AS185.237.64.0/22 Mittwald CM Service GmbH und Co. KG}
		PTR	`r28790.agenturserver.it`
NS	`a.ns14.net` ⭐
		A	2001:8d8:fe:53:217:160:80:160^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.de`
		A	217.160.80.160^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.de`
NS	`b.ns14.net`
		A	2001:8d8:fe:53:217:160:81:160^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.biz`
		A	217.160.81.160^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.biz`
NS	`c.ns14.net`
		A	2607:f1c0:fe:53:185:132:35:160^{🇺🇸 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-ix1.ui-dns.org`
		A	185.132.35.160^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix1.ui-dns.org`
NS	`d.ns14.net`
		A	2607:f1c0:fe:53:185:132:34:160^{🇺🇸 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-ix1.ui-dns.com`
		A	185.132.34.160^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix1.ui-dns.com`
MX	`mx1.agenturserver.de` ⭐
		A	185.15.192.56^{🇩🇪 MITTWALD-AS185.15.192.0/22 Mittwald CM Service GmbH und Co. KG}
			PTR	`mx1.agenturserver.de`
MX	`mx2.agenturserver.de` ⭐
		A	185.15.192.57^{🇩🇪 MITTWALD-AS185.15.192.0/22 Mittwald CM Service GmbH und Co. KG}
			PTR	`mx2.agenturserver.de`
MX	`mx3.agenturserver.de`⁽²⁰⁾
		A	185.15.192.58^{🇩🇪 MITTWALD-AS185.15.192.0/22 Mittwald CM Service GmbH und Co. KG}
			PTR	`mx3.agenturserver.de`
MX	`mx4.agenturserver.de`⁽⁵⁰⁾
		A	185.15.192.59^{🇩🇪 MITTWALD-AS185.15.192.0/22 Mittwald CM Service GmbH und Co. KG}
			PTR	`mx4.agenturserver.de`
TXT	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3U8kqa4SiUlO5WBe8DwV...`
TXT	`v=spf1 include:agenturserver.de ~all`
SOA	`a.ns14.net`info@straightup-webstudio.de 2023-12-06 #0

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785608252

Subdomains

hostmaster.proref.net

www.proref.net

Same first word

proref.de

proref.co

proref.nl

proref.net

proref.no

proref.fr

proref.eu

proref.com

proref.se

Similar names

erprof.cz

refpro.fr

refpro.ca

perfor.me

forper.fr

prefor.com

forper.com

forerp.com

ferpro.com

perfor.ru

perfor.be

profer.ru

erpfor.me

perfor.com

refpro.co.uk

frepro.sk

profer.cz

reprof.cz

frepro.eu

profer.com.br

refpro.com.au

perfor.es

prefor.it

profre.com

perfor.ms

profer.cl

ferpro.net

profer.biz

froper.com

perfor.de

ferpro.com.br

profer.org

erpfor.com

profer.com.tr

repfor.com

profer.com

perfor.ind.br

profer.at

frepro.com

profer.eu

profer.net

profer.es

forrep.com

forper.se

DNS History

14 records (9 active, 5 former)

●NSa.ns14.net2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

●NSb.ns14.net2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

●NSc.ns14.net2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

●NSd.ns14.net2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

○NSns.namespace4you.de2015-08-29 → 2016-12-23 · 4 obs

● 2015-08-29 20:04:48
● 2016-12-23 08:46:32
○ 2026-02-28 22:19:58
○ 2026-08-01 18:40:46

○NSns2.namespace4you.de2015-08-29 → 2016-12-23 · 4 obs

● 2015-08-29 20:04:48
● 2016-12-23 08:46:32
○ 2026-02-28 22:19:58
○ 2026-08-01 18:40:46

●MXmx1.agenturserver.de2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

●MXmx2.agenturserver.de2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

●MXmx3.agenturserver.de2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

●MXmx4.agenturserver.de2026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

○MXmxlb.ispgateway.de2015-08-29 → 2016-12-23 · 4 obs

● 2015-08-29 20:04:48
● 2016-12-23 08:46:32
○ 2026-02-28 22:19:58
○ 2026-08-01 18:40:46

●A185.237.65.1132026-02-28 → 2026-08-01 · 3 obs

○ 2016-12-23 08:46:32
● 2026-02-28 22:19:58
● 2026-08-01 18:40:46

○A2a00:1158:0:300:3e1c::12015-08-29 → 2016-12-23 · 4 obs

● 2015-08-29 20:04:48
● 2016-12-23 08:46:32
○ 2026-02-28 22:19:58
○ 2026-08-01 18:40:46

○A46.252.18.2332015-08-29 → 2016-12-23 · 4 obs

● 2015-08-29 20:04:48
● 2016-12-23 08:46:32
○ 2026-02-28 22:19:58
○ 2026-08-01 18:40:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
proref.net	a.ns14.net, b.ns14.net, c.ns14.net, d.ns14.net	8 records

✅ Authoritative Response

Server:217.160.80.160

NS records: a.ns14.net, b.ns14.net, c.ns14.net, d.ns14.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proref.net (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.237.65.113`
NS	4	`a.ns14.net, b.ns14.net...`
MX	4	`mx1.agenturserver.de (pri: 10), mx4.agenturserver.de (pri: 50)...`
TXT	2	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQ, v=spf1 include:agenturserver.de ~all`
SOA	1	`a.ns14.net info.straightup-webstudio.de`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (a.ns14.net, a.ns14.net, b.ns14.net...)

Analysis

Hierarchy

proref.net serves as the parent of hostmaster.proref.net and www.proref.net.

IP Addresses

proref.net has exactly one IP address — 185.237.65.113.

straightup-digital.de, hostmaster.proref.net, mx0.jura-one.eu plus two other host names have IP numbers in common with proref.net.

Name Servers

Four name servers handle the delegation for proref.net: a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net.

proref.net has at least partial name server overlap with other domains, such as footprints.de, feinkost-metzgerei-trumpp.de, versicherungaktuell.de and two others.

It is common to find these name servers paired with the name servers ns.eventim.de.

a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net all point to exactly two IP numbers each: a.ns14.net → 217.160.80.160 and 2001:8d8:fe:53:217:160:80:160; b.ns14.net → 217.160.81.160 and 2001:8d8:fe:53:217:160:81:160; c.ns14.net → 185.132.35.160 and 2607:f1c0:fe:53:185:132:35:160; d.ns14.net → 185.132.34.160 and 2607:f1c0:fe:53:185:132:34:160.

Mail Servers

proref.net has four mail servers: mx1.agenturserver.de, mx2.agenturserver.de, mx3.agenturserver.de and mx4.agenturserver.de.

At least some of the mail servers used by proref.net are shared with other domains: kasadeo.de, hasene.de, citytogo.de and two others among them.

Four host names, each with one IP address: mx1.agenturserver.de has 185.15.192.56, mx2.agenturserver.de has 185.15.192.57, mx3.agenturserver.de has 185.15.192.58 and mx4.agenturserver.de has 185.15.192.59.