`robert-pfeffer.net`

DNSSEC	⚠️ Not signed
A	195.242.103.103^{🇩🇪 WORK-AS195.242.100.0/22 RockingHoster}
		PTR	`server103.serverconfig.center`
NS	`ns11.celeros.de` ⭐
		A	195.242.100.11^{🇩🇪 WORK-AS195.242.100.0/22 RockingHoster}
			PTR	`ns1.domainrobot.center`
NS	`ns12.celeros.de`
		A	2a01:b1c0:1:20b::4^{🇩🇪 OPTEAMAX-AS2a01:b1c0::/32 Opteamax}
			PTR	`ns2.dnsserver.center`
		A	84.39.109.212^{🇩🇪 OPTEAMAX-AS84.39.104.0/21 Opteamax}
			PTR	`ns2.domainrobot.center`
NS	`ns13.celeros.de`
		A	2a01:b1c0:4:20b::4^{🇩🇪 OPTEAMAX-AS2a01:b1c0::/32 Opteamax}
			PTR	`ns3.dnsserver.center`
		A	84.39.110.156^{🇩🇪 OPTEAMAX-AS84.39.104.0/21 Opteamax}
			PTR	`ns3.domainrobot.center`
			PTR	`rocdns03.serverconfig.center`
NS	`ns14.celeros.de`
		A	2a01:b1c0:5:20b::4^{🇩🇪 OPTEAMAX-AS2a01:b1c0::/32 Opteamax}
			PTR	`ns4.dnsserver.center`
		A	84.39.108.4^{🇩🇪 OPTEAMAX-AS84.39.104.0/21 Opteamax}
			PTR	`ns4.domainrobot.center`
MX	`mail.robert-pfeffer.net` ⭐
		A	195.242.103.103^{🇩🇪 WORK-AS195.242.100.0/22 RockingHoster}
			PTR	`server103.serverconfig.center`
TXT	`v=spf1 a mx include:spf.celeros.cloud -all`
SOA	`ns11.celeros.de`noc@celeros.de 2026-05-14 #1

`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=1778760866

WOT: UNKNOWN (61/100)

Subdomains

mail.robert-pfeffer.net

Same first word

robert-pfeffer.net

DNS History

11 records (6 active, 5 former)

○NSns1.celeros.de2015-07-17 → 2017-06-14 · 4 obs

● 2015-07-17 20:03:50
● 2017-06-14 02:54:46
○ 2026-03-26 06:36:30
○ 2026-05-14 12:44:28

●NSns11.celeros.de2026-03-26 → 2026-05-14 · 3 obs

○ 2017-06-14 02:54:46
● 2026-03-26 06:36:30
● 2026-05-14 12:44:28

●NSns12.celeros.de2026-03-26 → 2026-05-14 · 3 obs

○ 2017-06-14 02:54:46
● 2026-03-26 06:36:30
● 2026-05-14 12:44:28

●NSns13.celeros.de2026-03-26 → 2026-05-14 · 3 obs

○ 2017-06-14 02:54:46
● 2026-03-26 06:36:30
● 2026-05-14 12:44:28

●NSns14.celeros.de2026-03-26 → 2026-05-14 · 3 obs

○ 2017-06-14 02:54:46
● 2026-03-26 06:36:30
● 2026-05-14 12:44:28

○NSns2.celeros.de2015-07-17 → 2017-06-14 · 4 obs

● 2015-07-17 20:03:50
● 2017-06-14 02:54:46
○ 2026-03-26 06:36:30
○ 2026-05-14 12:44:28

○NSns3.celeros.de2015-07-17 → 2017-06-14 · 4 obs

● 2015-07-17 20:03:50
● 2017-06-14 02:54:46
○ 2026-03-26 06:36:30
○ 2026-05-14 12:44:28

○NSns4.celeros.de2015-07-17 → 2017-06-14 · 4 obs

● 2015-07-17 20:03:50
● 2017-06-14 02:54:46
○ 2026-03-26 06:36:30
○ 2026-05-14 12:44:28

●MXmail.robert-pfeffer.net2015-07-17 → 2026-05-14 · 2 obs

● 2015-07-17 20:03:50
● 2026-05-14 12:44:28

●A195.242.103.1032026-03-26 → 2026-05-14 · 3 obs

○ 2017-06-14 02:54:46
● 2026-03-26 06:36:30
● 2026-05-14 12:44:28

○A31.47.251.1142015-07-17 → 2017-06-14 · 4 obs

● 2015-07-17 20:03:50
● 2017-06-14 02:54:46
○ 2026-03-26 06:36:30
○ 2026-05-14 12:44:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
robert-pfeffer.net	ns11.celeros.de, ns12.celeros.de, ns13.celeros.de, ns14.celeros.de	-

✅ Authoritative Response

Server:195.242.100.11

NS records: ns11.celeros.de, ns12.celeros.de, ns13.celeros.de, ns14.celeros.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robert-pfeffer.net (unsigned zone)

⏱️ Timing

Total: 1176ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.242.103.103`
NS	4	`ns12.celeros.de, ns14.celeros.de...`
MX	1	`mail.robert-pfeffer.net (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.celeros.cloud -a`
SOA	1	`ns11.celeros.de noc.celeros.de`

Analysis

Hierarchy

robert-pfeffer.net is the parent of mail.robert-pfeffer.net.

IP Addresses

robert-pfeffer.net points to IP number 195.242.103.103.

For instance, other host names mail.redpony.de, mail.ems-beauty.info, shiatsu-in-braunschweig.de, jonathanmetzger.de and steffisfinest.com share IP numbers with robert-pfeffer.net.

Name Servers

robert-pfeffer.net is delegated to four name servers: ns11.celeros.de, ns12.celeros.de, ns13.celeros.de and ns14.celeros.de.

robert-pfeffer.net shares name servers with other domains at least partially, for example misindustrie.com, streetfox.de, la-villanella-basel.de, rk-line.de and semperstudiosus.de.

Hosts with two IP numbers

- Host ns12.celeros.de points to: 2a01:b1c0:1:20b::4 and 84.39.109.212

- Host ns13.celeros.de points to: 2a01:b1c0:4:20b::4 and 84.39.110.156

- Host ns14.celeros.de points to: 2a01:b1c0:5:20b::4 and 84.39.108.4

Hosts with one IP number

- Host ns11.celeros.de points to: 195.242.100.11

Mail Servers

robert-pfeffer.net is handled by a single mail server, mail.robert-pfeffer.net.

mail.robert-pfeffer.net points to a single IP: 195.242.103.103.

robert-pfeffer.net - robtex.com