`lessonminder.com`

DNSSEC	⚠️ Not signed
A	73.53.54.233^{🇺🇸 COMCAST-IBONE73.0.0.0/8 Comcast Cable Communications, LLC}
		PTR	`c-73-53-54-233.hsd1.wa.comcast.net`
NS	`ns1097.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5361:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.org`
		A	217.160.83.97^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.org`
NS	`ns1097.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5161:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.biz`
		A	217.160.81.97^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.biz`
NS	`ns1097.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5261:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.com`
		A	217.160.82.97^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.com`
NS	`ns1097.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:97^{🇺🇸 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	`ns1097.ui-dns.de`
		A	217.160.80.97^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.de`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1097.ui-dns.org`hostmaster@1and1.com 2017-06-10 #9

`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=1774480552

Same first word

lessonminder.com

DNS History

17 records (7 active, 10 former)

●NSns1097.ui-dns.biz2026-02-19 → 2026-03-25 · 3 obs

○ 2017-03-30 11:24:06
● 2026-02-19 16:03:10
● 2026-03-25 23:21:42

●NSns1097.ui-dns.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-03-30 11:24:06
● 2026-02-19 16:03:10
● 2026-03-25 23:21:42

●NSns1097.ui-dns.de2026-02-19 → 2026-03-25 · 3 obs

○ 2017-03-30 11:24:06
● 2026-02-19 16:03:10
● 2026-03-25 23:21:42

●NSns1097.ui-dns.org2026-02-19 → 2026-03-25 · 3 obs

○ 2017-03-30 11:24:06
● 2026-02-19 16:03:10
● 2026-03-25 23:21:42

○NSns51.1and1.com2015-08-18 → 2017-03-30 · 5 obs

○ 2008-03-17 18:00:22
● 2015-08-18 22:52:22
● 2017-03-30 11:24:06
○ 2026-02-19 16:03:10
○ 2026-03-25 23:21:42

○NSns52.1and1.com2015-08-18 → 2017-03-30 · 5 obs

○ 2008-03-17 18:00:22
● 2015-08-18 22:52:22
● 2017-03-30 11:24:06
○ 2026-02-19 16:03:10
○ 2026-03-25 23:21:42

○NSns57.1and1.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 18:00:22
○ 2015-08-18 22:52:22
○ 2026-03-25 23:21:42

○NSns58.1and1.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 18:00:22
○ 2015-08-18 22:52:22
○ 2026-03-25 23:21:42

○MXmx00.1and1.com2008-03-17 → 2017-03-30 · 4 obs

● 2008-03-17 18:00:22
● 2017-03-30 11:24:06
○ 2026-02-19 16:03:10
○ 2026-03-25 23:21:42

●MXmx00.ionos.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-03-30 11:24:06
● 2026-02-19 16:03:10
● 2026-03-25 23:21:42

○MXmx01.1and1.com2008-03-17 → 2017-03-30 · 4 obs

● 2008-03-17 18:00:22
● 2017-03-30 11:24:06
○ 2026-02-19 16:03:10
○ 2026-03-25 23:21:42

●MXmx01.ionos.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-03-30 11:24:06
● 2026-02-19 16:03:10
● 2026-03-25 23:21:42

○A2601:601:8e01:1989:94b9:9ee:eeee:88662017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-19 05:46:00
● 2017-03-30 11:24:06
○ 2026-02-19 16:03:10
○ 2026-03-25 23:21:42

○A50.132.14.1142017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-19 05:46:00
● 2017-03-30 11:24:06
○ 2026-02-19 16:03:10
○ 2026-03-25 23:21:42

○A73.11.191.1032015-08-18 → 2016-07-19 · 5 obs

○ 2008-03-17 18:00:22
● 2015-08-18 22:52:22
● 2016-07-19 05:46:00
○ 2017-03-30 11:24:06
○ 2026-03-25 23:21:42

●A73.53.54.2332026-02-19 → 2026-03-25 · 3 obs

○ 2017-03-30 11:24:06
● 2026-02-19 16:03:10
● 2026-03-25 23:21:42

○A82.165.206.2532008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 18:00:22
○ 2015-08-18 22:52:22
○ 2026-03-25 23:21:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
lessonminder.com	ns1097.ui-dns.de, ns1097.ui-dns.biz, ns1097.ui-dns.org, ns1097.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.81.97

NS records: ns1097.ui-dns.de, ns1097.ui-dns.biz, ns1097.ui-dns.org, ns1097.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessonminder.com (unsigned zone)

⏱️ Timing

Total: 2057ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`73.53.54.233`
NS	4	`ns1097.ui-dns.biz, ns1097.ui-dns.org...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1097.ui-dns.org hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1097.ui-dns.com, ns1097.ui-dns.com)

Analysis

IP Addresses

lessonminder.com points to a single IP number: 73.53.54.233.

Name Servers

lessonminder.com is delegated to four name servers: ns1097.ui-dns.biz, ns1097.ui-dns.com, ns1097.ui-dns.de and ns1097.ui-dns.org.

lessonminder.com at least partially shares name servers with other domains, for instance blueskymovies.de, coqoa.com, mo(0x636f636b).com, siebergmbh.de and firstclasstaxservices.com.

These name servers are commonly used together with ns1062.ui-dns.de, ns1027.ui-dns.com, ns1071.ui-dns.org, ns1050.ui-dns.biz, ns1025.ui-dns.de, ns1042.ui-dns.org, ns1091.ui-dns.de, ns1039.ui-dns.com and ns1051.ui-dns.org.

Host names with two IP numbers:

ns1097.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5161:100 and 217.160.81.97.

ns1097.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5261:100 and 217.160.82.97.

ns1097.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:97 and 217.160.80.97.

ns1097.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5361:100 and 217.160.83.97.

Mail Servers

lessonminder.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

lessonminder.com uses the same mail server configuration as other domains, such as movintel.us, theartofthegame.net, brentrn.com, paganliving.org and fundraisingcompliance.info.

Host names with one IP number: mx00.ionos.com points to 74.208.5.3; mx01.ionos.com points to 74.208.5.21.

lessonminder.com - robtex.com