readingmath.org - robtex.com
readingmath.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Up
Same first word
readingmath.org |
Similar names
DNS History
12 records (10 active, 2 former)
●NSns-cloud-c1.googledomains.com2020-01-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
●NSns-cloud-c2.googledomains.com2020-01-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
●NSns-cloud-c3.googledomains.com2020-01-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
●NSns-cloud-c4.googledomains.com2020-01-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
●MXalt1.aspmx.l.google.com2020-01-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
●MXalt2.aspmx.l.google.com2020-01-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
●MXalt3.aspmx.l.google.com2026-02-17 → 2026-02-26 · 3 obs
● 2026-02-17 02:11:46
● 2026-02-26 03:01:32
●MXalt4.aspmx.l.google.com2026-02-17 → 2026-02-26 · 3 obs
● 2026-02-17 02:11:46
● 2026-02-26 03:01:32
●MXaspmx.l.google.com2020-01-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
○MXaspmx2.googlemail.com2020-01-17 → 2020-01-17 · 3 obs
○ 2026-02-17 02:11:46
○ 2026-02-26 03:01:32
○MXaspmx3.googlemail.com2020-01-17 → 2020-01-17 · 3 obs
○ 2026-02-17 02:11:46
○ 2026-02-26 03:01:32
●A198.49.23.1452026-02-17 → 2026-02-26 · 2 obs
● 2026-02-26 03:01:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| readingmath.org | ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com | - |
✅ Authoritative Response
Server: 216.239.36.108
NS records: ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for readingmath.org (unsigned zone)
⏱️ Timing
Total: 312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.49.23.145 |
| NS | 4 | ns-cloud-c2.googledomains.com, ns-cloud-c4.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 3 | v=spf1 include:_spf.google.com ~all, amazonses:Hd8QUCAfxGxEWNlsTwL35tU1Zd3JYV... |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
AI analysis
readingmath.org is the parent of mcdms.readingmath.org and mathapp.readingmath.org.
readingmath.org resolves to a single IP: 198.49.23.145.
Other host names, for instance tpfa.ca, morningtops.com, recto.com, isystemsgroup.net and leider.org share IP numbers with readingmath.org.
readingmath.org is delegated to four name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
readingmath.org shares some name servers with other domains, for example freeyourfeet.com, stevedrasher.com, americafirstcenter.com, amitbend.com and ista-express.com.
Host names with two IP numbers
Two IPs per host:
ns-cloud-c1.googledomains.com points to 2001:4860:4802:32::6c and 216.239.32.108
ns-cloud-c2.googledomains.com points to 2001:4860:4802:34::6c and 216.239.34.108
ns-cloud-c3.googledomains.com points to 2001:4860:4802:36::6c and 216.239.36.108
ns-cloud-c4.googledomains.com points to 2001:4860:4802:38::6c and 216.239.38.108
readingmath.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
readingmath.org shares some mail servers with other domains, at least partially; for instance prodigytalenttraining.com, ns500759.ns500759.ns500759.ns500698.ns500698.ns500698.ns500735.ns500736.ns500576.ns500708.ns500698.ns500576.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500765.ns500693.ns500699.ns500699.ns500734.ns500699.ns500734.ns500588.ns500588.ns500699.ns500683.ns500588.ns500588.ns500612.ns500632.ns500110.dtrkdll.com, ns500693.ns500734.ns500693.ns500693.ns500699.ns500699.ns500699.ns500699.ns500699.ns500693.ns500588.ns500588.ns500693.ns500632.ns500632.ns500578.ns500110.dtrkdll.com and ns500671.ns500671.ns500731.ns500671.ns500742.ns500671.ns500742.ns500671.ns500291.ns500291.tenderladiesbz.com.
these mail servers are often used together with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx5.googlemail.com and aspmx4.googlemail.com.
Host names with two IPs:
Host aspmx.l.google.com has IPs 2607:f8b0:4004:c19::1b and 172.253.62.27.
Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4003:c30::1b and 74.125.27.26.
Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4001:c70::1a and 192.178.209.26.
Host alt3.aspmx.l.google.com has IPs 2607:f8b0:4024:c0d::1b and 192.178.152.26.
Host alt4.aspmx.l.google.com has IPs 2607:f8b0:4023:403::1a and 142.250.96.27.