dev-null.online - dns.ninja

`dev-null.online`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::250^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0250.elastic-ssl.ui-r.com`
A	217.160.0.237^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1036.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5224:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.com`
		A	217.160.82.36^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1036.ui-dns.com`
NS	`ns1031.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:531f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.org`
		A	217.160.83.31^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.org`
NS	`ns1085.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5155:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1085.ui-dns.biz`
		A	217.160.81.85^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1085.ui-dns.biz`
NS	`ns1101.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:101^{🇺🇸 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	`ns1101.ui-dns.de`
		A	185.132.32.101^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1101.ui-dns.de`
		A	217.160.80.101^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1101.ui-dns.de`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1036.ui-dns.com`hostmaster@1and1.com 2018-07-18 #4

`online`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1780645111

Previously MX for

dev-null.online

Same first word

dev-null.se

dev-null.no

dev-null.io

dev-null.be

dev-null.me

dev-null.com

dev-null.fr

dev-null.ru

dev-null.de

dev-null.co.uk

dev-null.online

dev-null.tech

dev-null.site

dev-null.at

dev-null.nl

dev-null.es

dev-null.pl

dev-null.it

dev-null.info

dev-null.eu

dev-null.org

dev-null.net

dev-null.biz

dev-null.ca

dev-null.cz

dev-null.rocks

dev-null.dk

Similar names

null-dev.org

null-dev.com

DNS History

13 records (8 active, 5 former)

●NSns1031.ui-dns.org2026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

●NSns1036.ui-dns.com2026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

●NSns1085.ui-dns.biz2026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

●NSns1101.ui-dns.de2026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

○NSns25.domaincontrol.com2016-12-13 → 2017-09-26 · 4 obs

● 2016-12-13 03:38:02
● 2017-09-26 22:57:04
○ 2026-05-23 01:48:44
○ 2026-06-05 08:00:06

○NSns26.domaincontrol.com2016-12-13 → 2017-09-26 · 4 obs

● 2016-12-13 03:38:02
● 2017-09-26 22:57:04
○ 2026-05-23 01:48:44
○ 2026-06-05 08:00:06

○MXdev-null.online2016-12-13 → 2017-09-26 · 4 obs

● 2016-12-13 03:38:02
● 2017-09-26 22:57:04
○ 2026-05-23 01:48:44
○ 2026-06-05 08:00:06

●MXmx00.ionos.de2026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

●MXmx01.ionos.de2026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

○A138.197.81.612017-09-26 → 2017-09-26 · 4 obs

○ 2016-12-13 03:38:02
● 2017-09-26 22:57:04
○ 2026-05-23 01:48:44
○ 2026-06-05 08:00:06

○A195.123.211.2132016-12-13 → 2016-12-13 · 3 obs

● 2016-12-13 03:38:02
○ 2017-09-26 22:57:04
○ 2026-06-05 08:00:06

●A2001:8d8:100f:f000::2502026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

●A217.160.0.2372026-05-23 → 2026-06-05 · 3 obs

○ 2017-09-26 22:57:04
● 2026-05-23 01:48:44
● 2026-06-05 08:00:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
online	ns10.trs-dns.info, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.org	8 records
dev-null.online	ns1031.ui-dns.org, ns1036.ui-dns.com, ns1085.ui-dns.biz, ns1101.ui-dns.de	-

✅ Authoritative Response

Server:217.160.83.31

NS records: ns1031.ui-dns.org, ns1036.ui-dns.com, ns1085.ui-dns.biz, ns1101.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev-null.online (unsigned zone)

⏱️ Timing

Total: 673ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.237`
AAAA	1	`2001:8d8:100f:f000::250`
NS	4	`ns1101.ui-dns.de, ns1036.ui-dns.com...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1036.ui-dns.com hostmaster.1and1.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.info, ns01.trs-dns.net...)

Analysis

IP Addresses

dev-null.online points to two IP numbers: 217.160.0.237 and 2001:8d8:100f:f000::250.

Additional host names — skatecoach.de, lejisana.es, assango.de and two others — share IP numbers with dev-null.online.

Name Servers

dev-null.online is delegated to 4 name servers: ns1085.ui-dns.biz, ns1036.ui-dns.com, ns1101.ui-dns.de and ns1031.ui-dns.org.

At least some of dev-null.online's name servers are shared with other domains, for example lirobe.de, blues-club.de, oktoberfest-meppen.de and two more.

These name servers are frequently used alongside ns1085.ui-dns.com, ns1085.ui-dns.de, ns1085.ui-dns.org and seven others.

Host names with three IP numbers:

ns1101.ui-dns.de points to 185.132.32.101, 217.160.80.101 and 2607:f1c0:fe:53:185:132:32:101.

Host names with two IP numbers:

ns1085.ui-dns.biz points to 217.160.81.85 and 2001:8d8:fe:53:0:d9a0:5155:100.

ns1036.ui-dns.com points to 217.160.82.36 and 2001:8d8:fe:53:0:d9a0:5224:100.

ns1031.ui-dns.org points to 217.160.83.31 and 2001:8d8:fe:53:0:d9a0:531f:100.

Mail Servers

dev-null.online has two mail servers: mx00.ionos.de and mx01.ionos.de.

dev-null.online shares the same mail server setup as other domains, including spaet-zuender.de, starcmedical.at, sperling.us and two others.

Each of mx00.ionos.de and mx01.ionos.de has one IP address: mx00.ionos.de uses 212.227.15.41 and mx01.ionos.de uses 217.72.192.67.