skillbuilder.in - dns.ninja

`skillbuilder.in`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::25c^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-025c.elastic-ssl.ui-r.com`
A	217.160.0.140^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1028.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:531c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1028.ui-dns.org`
		A	217.160.83.28^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1028.ui-dns.org`
NS	`ns1016.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5210:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1016.ui-dns.com`
		A	217.160.82.16^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1016.ui-dns.com`
NS	`ns1092.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:92^{🇺🇸 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	`ns1092.ui-dns.de`
		A	217.160.80.92^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.de`
NS	`ns1098.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5162:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1098.ui-dns.biz`
		A	217.160.81.98^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1098.ui-dns.biz`
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	`ns1028.ui-dns.org`hostmaster@1und1.com 2017-06-01 #7

`in`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns1.registry.in` ⚠️ Not in parent delegation
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	NS	`ns2.registry.in` ⚠️ Not in parent delegation
	NS	`ns3.registry.in` ⚠️ Not in parent delegation
	NS	`ns4.registry.in` ⚠️ Not in parent delegation
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1781824562

Same first word

skillbuilder.in

skillbuilder.aws

skillbuilder.net

skillbuilder.ca

skillbuilder.com

skillbuilder.org

skillbuilder.io

skillbuilder.co

DNS History

23 records (8 active, 15 former)

○NSns-de.1and1-dns.biz2015-12-21 → 2017-11-10 · 4 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

○NSns-de.1and1-dns.com2015-12-21 → 2017-11-10 · 4 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

○NSns-de.1and1-dns.de2015-12-21 → 2017-11-10 · 4 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

○NSns-de.1and1-dns.org2015-12-21 → 2017-11-10 · 4 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

●NSns1016.ui-dns.com2026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

●NSns1028.ui-dns.org2026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

●NSns1092.ui-dns.de2026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

●NSns1098.ui-dns.biz2026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

○NSns2.rediffmailpro.co2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 18:53:44
○ 2015-12-21 10:29:22
○ 2026-06-18 23:32:18

○NSskillbuilder.in2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 18:53:44
○ 2015-12-21 10:29:22
○ 2026-06-18 23:32:18

○MXmail.rediffmailpro.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 18:53:44
○ 2015-12-21 10:29:22
○ 2026-06-18 23:32:18

●MXmx00.ionos.de2026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

○MXmx00.kundenserver.de2015-12-21 → 2017-11-10 · 4 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

●MXmx01.ionos.de2026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

○MXmx01.kundenserver.de2015-12-21 → 2017-11-10 · 4 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

○A2001:8d8:1001:5064:cc4:1ac5:5c7e:30022016-09-22 → 2017-11-10 · 4 obs

○ 2016-04-10 08:11:34
● 2016-09-22 08:36:40
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

○A2001:8d8:1001:5064:d05d:58cb:8661:50082015-12-21 → 2016-04-10 · 5 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2016-04-10 08:11:34
○ 2016-09-22 08:36:40
○ 2026-06-18 23:32:18

●A2001:8d8:100f:f000::25c2026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

○A202.137.236.102015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 18:53:44
○ 2015-12-21 10:29:22
○ 2026-06-18 23:32:18

○A202.137.237.272015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 18:53:44
○ 2015-12-21 10:29:22
○ 2026-06-18 23:32:18

○A212.227.181.1332015-12-21 → 2016-04-10 · 5 obs

○ 2015-08-16 18:53:44
● 2015-12-21 10:29:22
● 2016-04-10 08:11:34
○ 2016-09-22 08:36:40
○ 2026-06-18 23:32:18

●A217.160.0.1402026-06-18 → 2026-06-18 · 2 obs

○ 2017-11-10 22:09:42
● 2026-06-18 23:32:18

○A217.160.122.2472016-09-22 → 2017-11-10 · 4 obs

○ 2016-04-10 08:11:34
● 2016-09-22 08:36:40
● 2017-11-10 22:09:42
○ 2026-06-18 23:32:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
in	ns10.trs-dns.info, ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org	-
skillbuilder.in	ns1016.ui-dns.com, ns1028.ui-dns.org, ns1092.ui-dns.de, ns1098.ui-dns.biz	-

✅ Authoritative Response

Server:217.160.83.28

NS records: ns1016.ui-dns.com, ns1028.ui-dns.org, ns1092.ui-dns.de, ns1098.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skillbuilder.in (unsigned zone)

⏱️ Timing

Total: 911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.140`
AAAA	1	`2001:8d8:100f:f000::25c`
NS	4	`ns1028.ui-dns.org, ns1098.ui-dns.biz...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1028.ui-dns.org hostmaster.1und1.com`

Analysis

IP Addresses

skillbuilder.in resolves to the IP addresses 217.160.0.140 and 2001:8d8:100f:f000::25c

baselt.net, www.hospiz-oldenburg.de, 1a-waermepumpen.de plus two other host names have IP numbers in common with skillbuilder.in.

Name Servers

Four name servers handle the delegation for skillbuilder.in: ns1098.ui-dns.biz, ns1016.ui-dns.com, ns1092.ui-dns.de and ns1028.ui-dns.org.

skillbuilder.in partially shares its NS delegation with several other domains, including rhoen-radmarathon.de, aliceandco.com, optikam.de and two others.

In DNS configurations, these name servers often share authority with ns1016.ui-dns.de, ns1098.ui-dns.de, ns1098.ui-dns.com and 7 other name servers.

ns1098.ui-dns.biz, ns1016.ui-dns.com, ns1092.ui-dns.de and ns1028.ui-dns.org each carry two IP addresses. ns1098.ui-dns.biz has 217.160.81.98 and 2001:8d8:fe:53:0:d9a0:5162:100; ns1016.ui-dns.com has 217.160.82.16 and 2001:8d8:fe:53:0:d9a0:5210:100; ns1092.ui-dns.de has 217.160.80.92 and 2607:f1c0:fe:53:185:132:32:92; ns1028.ui-dns.org has 217.160.83.28 and 2001:8d8:fe:53:0:d9a0:531c:100.

Mail Servers

skillbuilder.in uses two mail servers, mx00.ionos.de and mx01.ionos.de.

The mail server setup of skillbuilder.in matches that of other domains such as pd-gmbh.net, sbw-berlin.de, lyrot.de and two others.

mx00.ionos.de resolves to 212.227.15.41. mx01.ionos.de resolves to 217.72.192.67. Both host names point to a single IP number.