`lettersmart.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.dan.com` ⭐
		A	2603:5:2125::43^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.dan.com`
		A	97.74.98.67^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.dan.com`
NS	`ns2.dan.com`
		A	2603:5:2225::43^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.dan.com`
		A	173.201.66.67^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.dan.com`
SOA	`ns1.dan.com`dns@jomax.net 2025-10-01 #0

`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=1774389407

Same first word

lettersmart.com

Similar names

smartletter.com

smartletter.us

DNS History

8 records (4 active, 4 former)

●NSns1.dan.com2026-03-14 → 2026-03-24 · 2 obs

● 2026-03-14 13:19:48
● 2026-03-24 22:16:20

●NSns2.dan.com2026-03-14 → 2026-03-24 · 2 obs

● 2026-03-14 13:19:48
● 2026-03-24 22:16:20

○MXdev.null2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 03:15:54
○ 2015-06-27 18:53:18
○ 2026-03-24 22:16:20

●A13.248.169.482026-03-14 → 2026-03-24 · 3 obs

○ 2019-03-31 17:06:52
● 2026-03-14 13:19:48
● 2026-03-24 22:16:20

○A207.148.248.1432015-11-10 → 2019-03-31 · 5 obs

○ 2015-06-27 18:53:18
● 2015-11-10 13:51:40
● 2019-03-31 17:06:52
○ 2026-03-14 13:19:48
○ 2026-03-24 22:16:20

○A208.254.26.1322008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 03:15:54
○ 2015-06-27 18:53:18
○ 2026-03-24 22:16:20

○A66.151.181.492015-06-27 → 2015-06-27 · 4 obs

○ 2008-03-16 03:15:54
● 2015-06-27 18:53:18
○ 2015-11-10 13:51:40
○ 2026-03-24 22:16:20

●A76.223.54.1462026-03-14 → 2026-03-24 · 3 obs

○ 2019-03-31 17:06:52
● 2026-03-14 13:19:48
● 2026-03-24 22:16:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
lettersmart.com	ns1.dan.com, ns2.dan.com	4 records

✅ Authoritative Response

Server:97.74.98.67

NS records: ns1.dan.com, ns2.dan.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lettersmart.com (unsigned zone)

⏱️ Timing

Total: 89ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.dan.com, ns2.dan.com`
SOA	1	`ns1.dan.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dan.com, ns1.dan.com, ns2.dan.com...)

Analysis

IP Addresses

lettersmart.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

other host names including xntrade.com, similarsites.co, ifvm.org, congde.com and locateinmate.com share IP numbers with lettersmart.com.

Name Servers

lettersmart.com is delegated to two name servers ns1.dan.com and ns2.dan.com.

lettersmart.com shares the same name server setup as other domains, for instance dormi.net, vtey.com, dentondigitalmarketing.com, ndtyura.serw5.com and xn--7sto13a.com.

lettersmart.com at least partially shares name servers with other domains, for instance sowld.com, gastroenterologo.com.mx, heilschamane.de, edwardapp.com and orbitex.com.

These name servers are commonly used alongside ns1.undeveloped.com and ns2.undeveloped.com.

Host names with two IP numbers:

The host name ns1.dan.com points to 2603:5:2125::43 and 97.74.98.67; the host name ns2.dan.com points to 2603:5:2225::43 and 173.201.66.67.

lettersmart.com - robtex.com

lettersmart.com

com