gecode.de - dns.ninja

`gecode.de`

DNSSEC	⚠️ Not signed
A	81.2.216.185^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
		PTR	`185.216.forpsi.net`
NS	`alfa.ns.active24.cz` ⭐
		A	2a02:4a8:ac24:100::96:2^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`alfa.ns.active24.cz`
		A	81.95.96.2^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`alfa.ns.active24.cz`
NS	`beta.ns.active24.cz`
		A	2a00:4b40:1000:590:185:111:90:94^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`beta.ns.active24.cz`
		A	185.111.90.94^{🇭🇺 WEBSUPPORT-SRO-SK-AS185.111.88.0/22}
			PTR	`beta.ns.active24.cz`
MX	`gecode-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
TXT	`MS=ms44812807`
TXT	`MS=ms61626802`
TXT	`v=spf1 mx include:spf.protection.outlook.com ~all`
TXT	`sophos-domain-verification=b6a9a15c6afdcabb32e9fbeeb55dcbb7b61bab5d`
TXT	`Ien7v77s+5SpE59Xtk7IlDLjVbSMKDUDaXMvd9PjEYBB8evlLfx9eh5yVfKJpBoLUofPzvGsCEbxP...`
SOA	`alfa.ns.active24.cz`hostmaster@active24.cz 2026-05-29 #2

`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=1781379537

Subdomains

www.gecode.de

Same first word

gecode.cn

gecode.com

gecode.at

gecode.org

gecode.de

Similar names

cedego.pl

gedoce.net

egcode.cn

degeco.info

degeco.biz

geodec.com

coedge.net

odegec.com.tr

decoge.com

gedoce.de

gedoce.info

degeco.de

edgeco.net

gedeco.cz

cedego.com

geodec.de

gedeco.net

gedeco.ch

degeco.it

ecoged.fr

geodec.fr

degeco.com

codege.com

gedeco.de

goceed.com

gedeco.com.ar

degeco.be

geodec.com.mx

geodec.net

geedoc.net

odegec.com

cogeed.fr

cogede.net

coedge.com

ocedge.net

cedego.org

geoced.org

gedeco.cl

gedoce.org

degeco.org

cogede.com

docgee.com

degeco.eu

geoced.net

cedgeo.com

gedoce.eu

degeco.net

geodec.org

cogeed.eu

gedoce.com

eegdoc.com

DNS History

8 records (4 active, 4 former)

●NSalfa.ns.active24.cz2015-07-26 → 2026-06-13 · 2 obs

● 2015-07-26 07:31:50
● 2026-06-13 19:52:28

●NSbeta.ns.active24.cz2015-07-26 → 2026-06-13 · 2 obs

● 2015-07-26 07:31:50
● 2026-06-13 19:52:28

●MXgecode-de.mail.protection.outlook.com2026-03-24 → 2026-06-13 · 3 obs

○ 2017-01-06 11:02:18
● 2026-03-24 06:10:16
● 2026-06-13 19:52:28

○MXmail.gecode.de2017-01-06 → 2017-01-06 · 4 obs

○ 2015-07-26 07:31:50
● 2017-01-06 11:02:18
○ 2026-03-24 06:10:16
○ 2026-06-13 19:52:28

○MXsmtp.gecode.de2015-07-26 → 2017-01-06 · 4 obs

● 2015-07-26 07:31:50
● 2017-01-06 11:02:18
○ 2026-03-24 06:10:16
○ 2026-06-13 19:52:28

○A195.47.111.1462015-07-26 → 2015-12-05 · 4 obs

● 2015-07-26 07:31:50
● 2015-12-05 22:25:58
○ 2016-01-20 21:08:32
○ 2026-06-13 19:52:28

●A81.2.216.1852026-03-24 → 2026-06-13 · 3 obs

○ 2017-01-06 11:02:18
● 2026-03-24 06:10:16
● 2026-06-13 19:52:28

○A81.95.110.232016-01-20 → 2017-01-06 · 5 obs

○ 2015-12-05 22:25:58
● 2016-01-20 21:08:32
● 2017-01-06 11:02:18
○ 2026-03-24 06:10:16
○ 2026-06-13 19:52:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
gecode.de	alfa.ns.active24.cz, beta.ns.active24.cz	-

✅ Authoritative Response

Server:81.95.96.2

NS records: alfa.ns.active24.cz, beta.ns.active24.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gecode.de (unsigned zone)

⏱️ Timing

Total: 1660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.2.216.185`
NS	2	`beta.ns.active24.cz, alfa.ns.active24.cz`
MX	1	`gecode-de.mail.protection.outlook.com (p`
TXT	5	`MS=ms61626802, Ien7v77s+5SpE59Xtk7IlDLjVbSMKDUDaXMvd9Pj...`
SOA	1	`alfa.ns.active24.cz hostmaster.active24.`

Analysis

Hierarchy

www.gecode.de is a subdomain of gecode.de.

IP Addresses

gecode.de directs to one IP number, which is 81.2.216.185.

Among the host names that share IP numbers with gecode.de are www.geco.cz, geco.cz, 185.216.forpsi.net and two others.

Name Servers

gecode.de is delegated to two name servers: alfa.ns.active24.cz and beta.ns.active24.cz.

gecode.de has the same name server delegation as a number of other domains, such as kalendareadiare.sk, jrfood.eu, photovitous.com and two more.

The name servers of gecode.de overlap at least partially with those of other domains — among them nerusitcucam.cz, tnp.cz, digimat.cz and two more.

These name servers commonly appear alongside the name servers gama.ns.active24.sk and ns.dns4.cz.

alfa.ns.active24.cz and beta.ns.active24.cz each resolve to two IP addresses: alfa.ns.active24.cz points to 81.95.96.2 and 2a02:4a8:ac24:100::96:2, while beta.ns.active24.cz points to 185.111.90.94 and 2a00:4b40:1000:590:185:111:90:94.

Mail Servers

gecode.de routes its mail through a single mail server, gecode-de.mail.protection.outlook.com.

gecode-de.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.21, 52.101.73.4 and 52.101.73.19, along with 5 other.