sigmalearning.com - robtex.com
sigmalearning.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 | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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.netnstld@verisign-grs.com serial=1774396652 | ||||||
Same first word
sigmalearning.com |
sigmalearning.org |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.afternic.com2026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 20:48:56
● 2026-03-25 00:23:02
○NSns1.sedoparking.com2015-08-23 → 2017-04-08 · 4 obs
● 2017-04-08 00:25:28
○ 2026-02-15 20:48:56
○ 2026-03-25 00:23:02
●NSns2.afternic.com2026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 20:48:56
● 2026-03-25 00:23:02
○NSns2.sedoparking.com2015-08-23 → 2017-04-08 · 4 obs
● 2017-04-08 00:25:28
○ 2026-02-15 20:48:56
○ 2026-03-25 00:23:02
○MXlocalhost2017-04-08 → 2026-02-15 · 4 obs
● 2017-04-08 00:25:28
● 2026-02-15 20:48:56
○ 2026-03-25 00:23:02
○MXmail.nickstel.com2015-08-23 → 2016-07-16 · 4 obs
● 2016-07-16 22:55:58
○ 2017-04-08 00:25:28
○ 2026-03-25 00:23:02
●A13.248.169.482026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 20:48:56
● 2026-03-25 00:23:02
○A72.52.4.1192015-08-23 → 2017-04-08 · 4 obs
● 2017-04-08 00:25:28
○ 2026-02-15 20:48:56
○ 2026-03-25 00:23:02
●A76.223.54.1462026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 20:48:56
● 2026-03-25 00:23:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sigmalearning.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sigmalearning.com (unsigned zone)
⏱️ Timing
Total: 77ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
sigmalearning.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance cheshair.com, smellgel.com, owaso.com, c170.tcard.net and housewives-dating.com share IP numbers with sigmalearning.com.
Name Servers
Delegation for sigmalearning.com rests with two name servers, ns1.afternic.com and ns2.afternic.com.
sigmalearning.com shares the same name server setup as other domains, including hwy20.com, mail.mypresso.com, mail.partywizard.co.uk, anticost.com and www.xurl.com.
sigmalearning.com at least partially shares name servers with other domains, for instance revbest.com, infocuyo.com, landscapingoklahoma.com, nextram.com and glassconcept.com.
These name servers are often used together with verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn, verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn, verification-ilzyovyxkjcylcmj8rbffy.ns101.verify.hn, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-jjgkpsx3pvzvgvrtm4ukzv.ns101.verify.hn.
Host names with two IP numbers: ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.