`instructionalpractice.com`

DNSSEC	⚠️ Not signed
NS	`ns1066.ui-dns.org` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:5342:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1066.ui-dns.org`
		A	217.160.83.66^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1066.ui-dns.org`
NS	`ns1104.ui-dns.biz` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:5168:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1104.ui-dns.biz`
		A	217.160.81.104^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1104.ui-dns.biz`
NS	`ns1106.ui-dns.de` ⚠️ Not in zone NS records
		A	2607:f1c0:fe:53:185:132:32:106^{🇺🇸 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	`ns1106.ui-dns.de`
		A	185.132.32.106^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1106.ui-dns.de`
		A	217.160.80.106^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1106.ui-dns.de`
NS	`ns1110.ui-dns.com` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:526e:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1110.ui-dns.com`
		A	217.160.82.110^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1110.ui-dns.com`

`com`

	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=1779053098

Same first word

instructionalpractice.com

DNS History

14 records (4 active, 10 former)

○NSns-us.1and1-dns.com2015-06-12 → 2019-03-28 · 4 obs

● 2015-06-12 18:39:22
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

○NSns-us.1and1-dns.de2015-06-12 → 2019-03-28 · 4 obs

● 2015-06-12 18:39:22
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

○NSns-us.1and1-dns.org2015-06-12 → 2019-03-28 · 4 obs

● 2015-06-12 18:39:22
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

○NSns-us.1and1-dns.us2015-06-12 → 2019-03-28 · 4 obs

● 2015-06-12 18:39:22
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

●NSns1066.ui-dns.org2026-03-31 → 2026-05-17 · 3 obs

○ 2019-03-28 22:51:04
● 2026-03-31 06:47:48
● 2026-05-17 21:38:16

●NSns1104.ui-dns.biz2026-03-31 → 2026-05-17 · 3 obs

○ 2019-03-28 22:51:04
● 2026-03-31 06:47:48
● 2026-05-17 21:38:16

●NSns1106.ui-dns.de2026-03-31 → 2026-05-17 · 3 obs

○ 2019-03-28 22:51:04
● 2026-03-31 06:47:48
● 2026-05-17 21:38:16

●NSns1110.ui-dns.com2026-03-31 → 2026-05-17 · 3 obs

○ 2019-03-28 22:51:04
● 2026-03-31 06:47:48
● 2026-05-17 21:38:16

○MXmx00.1and1.com2015-06-12 → 2019-03-28 · 4 obs

● 2015-06-12 18:39:22
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

○MXmx01.1and1.com2015-06-12 → 2019-03-28 · 4 obs

● 2015-06-12 18:39:22
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

○A192.195.77.162016-07-06 → 2019-03-28 · 5 obs

○ 2016-01-28 00:23:28
● 2016-07-06 04:50:12
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

○A2607:f1c0:1000:80f9:4b43:5dad:3a07:d0132016-07-06 → 2019-03-28 · 5 obs

○ 2016-01-28 00:23:28
● 2016-07-06 04:50:12
● 2019-03-28 22:51:04
○ 2026-03-31 06:47:48
○ 2026-05-17 21:38:16

○A2607:f1c0:1000:80f9:b1aa:1eda:221a:300f2015-06-12 → 2016-01-28 · 4 obs

● 2015-06-12 18:39:22
● 2016-01-28 00:23:28
○ 2016-07-06 04:50:12
○ 2026-05-17 21:38:16

○A66.175.233.1442015-06-12 → 2016-01-28 · 4 obs

● 2015-06-12 18:39:22
● 2016-01-28 00:23:28
○ 2016-07-06 04:50:12
○ 2026-05-17 21:38:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
instructionalpractice.com	ns1066.ui-dns.org, ns1104.ui-dns.biz, ns1106.ui-dns.de, ns1110.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.110

NS records: ns1066.ui-dns.org, ns1104.ui-dns.biz, ns1106.ui-dns.de, ns1110.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructionalpractice.com (unsigned zone)

⏱️ Timing

Total: 444ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1110.ui-dns.com, ns1110.ui-dns.com)

Analysis

Name Servers

instructionalpractice.com is delegated to four name servers, ns1104.ui-dns.biz, ns1110.ui-dns.com, ns1106.ui-dns.de and ns1066.ui-dns.org.

instructionalpractice.com at least partially shares name servers with other domains, for instance dropsync.com, nowo.de, riwalt.de and 2 other.

these name servers are often used together with the name servers ns1110.ui-dns.org, ns1066.ui-dns.biz, ns1066.ui-dns.com and 7 other.

Host names with three IP numbers:

The host name ns1106.ui-dns.de points to: 185.132.32.106, 217.160.80.106 and 2607:f1c0:fe:53:185:132:32:106.

Host names with two IP numbers:

The host name ns1104.ui-dns.biz points to: 217.160.81.104 and 2001:8d8:fe:53:0:d9a0:5168:100.

The host name ns1110.ui-dns.com points to: 217.160.82.110 and 2001:8d8:fe:53:0:d9a0:526e:100.

The host name ns1066.ui-dns.org points to: 217.160.83.66 and 2001:8d8:fe:53:0:d9a0:5342:100.

instructionalpractice.com - robtex.com