sci-dev.de - dns.ninja

`sci-dev.de`

DNSSEC	⚠️ Not signed
A	185.56.151.43^{🇩🇪 IONOS-AS185.56.148.0/22 IONOS-CLOUD-TXL}
		PTR	`ginevra.sci-dev.de`
NS	`ns1.axcoredns.com` ⭐ ⚠️ Not in parent delegation
		A	2a09:71c0::101:0:12^{🇩🇪 SYNLINQ2a09:71c0::/29}
		A	45.67.68.12^{🇩🇪 SYNLINQ45.67.68.0/24}
			PTR	`ns1-tec.de`
NS	`ns1-tec.de` ⚠️ Not in zone NS records
		A	2a09:71c0::101:0:12^{🇩🇪 SYNLINQ2a09:71c0::/29}
		A	45.67.68.12^{🇩🇪 SYNLINQ45.67.68.0/24}
			PTR	`ns1-tec.de`
NS	`ns2-tec.de` ⚠️ Not in zone NS records
		A	2a01:4f8:c014:d47::12^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	46.224.169.132^{🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC}
			PTR	`ns2-tec.de`
NS	`ns2.axcoredns.org` ⚠️ Not in parent delegation
		A	2a01:4f8:c014:d47::12^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	46.224.169.132^{🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC}
			PTR	`ns2-tec.de`
MX	`sci-dev.de` ⭐
		A	185.56.151.43^{🇩🇪 IONOS-AS185.56.148.0/22 IONOS-CLOUD-TXL}
			PTR	`ginevra.sci-dev.de`
TXT	`v=spf1 mx:sci-dev.de ip4:185.56.151.43 -all`
TXT	`google-site-verification=0kLcsb1gHNefWsaChIQx4yWL3nBtUMw7uYLwBcBhltI`
SOA	`ns1.axcoredns.com`webmaster@sci-dev.de 2026-02-18 #5

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1782065359

PTR for

43.151.56.185.in-addr.arpa

MX for

sci-dev.de

mayers.eu

Same first word

sci-dev.de

Similar names

csi-dev.fr

d-vices.com

cis-dev.com

csi-edv.com

csi-edv.eu

ics-dev.com

csi-dev.com

DNS History

7 records (6 active, 1 former)

●NSns1-tec.de2017-03-30 → 2026-06-21 · 2 obs

● 2017-03-30 15:01:58
● 2026-06-21 18:16:24

●NSns1.axcoredns.com2026-06-06 → 2026-06-21 · 3 obs

○ 2017-03-30 15:01:58
● 2026-06-06 08:50:14
● 2026-06-21 18:16:24

●NSns2-tec.de2017-03-30 → 2026-06-21 · 2 obs

● 2017-03-30 15:01:58
● 2026-06-21 18:16:24

●NSns2.axcoredns.org2026-06-06 → 2026-06-21 · 3 obs

○ 2017-03-30 15:01:58
● 2026-06-06 08:50:14
● 2026-06-21 18:16:24

●MXsci-dev.de2017-03-30 → 2026-06-21 · 2 obs

● 2017-03-30 15:01:58
● 2026-06-21 18:16:24

●A185.56.151.432026-02-20 → 2026-06-21 · 3 obs

○ 2017-07-01 19:39:42
● 2026-02-20 04:19:50
● 2026-06-21 18:16:24

○A85.214.233.1212017-03-30 → 2017-07-01 · 4 obs

● 2017-03-30 15:01:58
● 2017-07-01 19:39:42
○ 2026-02-20 04:19:50
○ 2026-06-21 18:16:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
sci-dev.de	ns1-tec.de, ns2-tec.de	-

✅ Authoritative Response

Server:45.67.68.12

NS records: ns1-tec.de, ns2-tec.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sci-dev.de (unsigned zone)

⏱️ Timing

Total: 1221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.56.151.43`
NS	2	`ns2.axcoredns.org, ns1.axcoredns.com`
MX	1	`sci-dev.de (pri: 100)`
TXT	2	`google-site-verification=0kLcsb1gHNefWsa, v=spf1 mx:sci-dev.de ip4:185.56.151.43 -`
SOA	1	`ns1.axcoredns.com webmaster.sci-dev.de`

Analysis

Mail Server Role

sci-dev.de handles mail for sci-dev.de and mayers.eu.

IP Addresses

sci-dev.de resolves to one IP address: 185.56.151.43.

Other host names — mayers.eu, digital-arts-development.de, publications.digital-arts-development.de and gastrojunkies.de — share IP numbers with sci-dev.de.

Name Servers

The authoritative name servers for sci-dev.de are ns1-tec.de, ns2-tec.de, ns1.axcoredns.com and ns2.axcoredns.org.

The name servers of sci-dev.de overlap at least partially with those of other domains — among them eb-forum.de, silbenfee.de, drinks-a-e.de and two more.

The hostnames ns1-tec.de, ns2-tec.de, ns1.axcoredns.com and ns2.axcoredns.org each resolve to two IP addresses. ns1-tec.de and ns1.axcoredns.com both point to 45.67.68.12 and 2a09:71c0::101:0:12, while ns2-tec.de and ns2.axcoredns.org both resolve to 46.224.169.132 and 2a01:4f8:c014:d47::12.

ns1-tec.de and ns1.axcoredns.com are host names that each point to 2a09:71c0::101:0:12 IP addresses.

ns1-tec.de and ns1.axcoredns.com are host names that each point to 45.67.68.12 IP addresses.

ns2-tec.de and ns2.axcoredns.org are host names that each point to 2a01:4f8:c014:d47::12 IP addresses.

ns2-tec.de and ns2.axcoredns.org are host names that each point to 46.224.169.132 IP addresses.

Mail Servers

Mail for sci-dev.de is handled by one mail server — sci-dev.de.

The mail server configuration of sci-dev.de is identical to that of other domains — mayers.eu being one example.

sci-dev.de resolves to a single IP number: 185.56.151.43.