spisd.org - robtex.com
spisd.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.233.124.95🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-18-233-124-95.compute-1.amazonaws.com | ||||||
| A | 54.221.139.169🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix | ||||||
| NS | ns95.worldnic.com ⭐ | ||||||
| A | 162.159.26.217Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns96.worldnic.com | ||||||
| A | 162.159.27.155Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | d293755a.ess.barracudanetworks.com ⭐ | ||||||
| A | 209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| MX | d293755b.ess.barracudanetworks.com(30) | ||||||
| A | 209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| TXT | v=spf1 a mx a:filter.spisd.org ip4:216.183.48.69 ip4:66.195.143.26 ip4:8.12.7... | ||||||
| TXT | d1k7s05j8zhtj6vylw9r6rmnfmbk3n64 | ||||||
| TXT | apple-domain-verification=jbkJGXNttqq0cNzf | ||||||
| TXT | 2g9Ga/MEDhuz7fngssMOrqo/wiMS01xRn4dGSul+HQyYHoAO49GrC1+5D4GXQsgMARWW3t9WuUdo+... | ||||||
| TXT | v=4f16b8df-82ba-4157-b2fa-30b2ebcb7a6d | ||||||
| SOA | NS95.WORLDNIC.COMnamehost@WORLDNIC.COM serial=126042901 | ||||||
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=1782881477 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSns95.worldnic.com2015-07-13 → 2026-07-01 · 2 obs
● 2026-07-01 05:01:14
●NSns96.worldnic.com2015-07-13 → 2026-07-01 · 2 obs
● 2026-07-01 05:01:14
●MXd293755a.ess.barracudanetworks.com2026-02-18 → 2026-07-01 · 3 obs
● 2026-02-18 09:41:04
● 2026-07-01 05:01:14
●MXd293755b.ess.barracudanetworks.com2026-02-18 → 2026-07-01 · 3 obs
● 2026-02-18 09:41:04
● 2026-07-01 05:01:14
○MXfilter.spisd.org2015-07-13 → 2016-12-20 · 4 obs
● 2016-12-20 16:29:04
○ 2026-02-18 09:41:04
○ 2026-07-01 05:01:14
●A18.233.124.952026-02-18 → 2026-07-01 · 3 obs
● 2026-02-18 09:41:04
● 2026-07-01 05:01:14
●A54.221.139.1692026-02-18 → 2026-07-01 · 3 obs
● 2026-02-18 09:41:04
● 2026-07-01 05:01:14
○A72.26.42.672015-07-13 → 2016-12-20 · 4 obs
● 2016-12-20 16:29:04
○ 2026-02-18 09:41:04
○ 2026-07-01 05:01:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| spisd.org | ns96.worldnic.com, ns95.worldnic.com | - |
✅ Authoritative Response
Server:162.159.27.155
NS records: ns96.worldnic.com, ns95.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for spisd.org (unsigned zone)
⏱️ Timing
Total: 449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 18.233.124.95, 54.221.139.169 |
| NS | 2 | ns96.worldnic.com, ns95.worldnic.com |
| MX | 2 | d293755a.ess.barracudanetworks.com (pri:, d293755b.ess.barracudanetworks.com (pri: |
| TXT | 5 | v=4f16b8df-82ba-4157-b2fa-30b2ebcb7a6d, v=spf1 a mx a:filter.spisd.org ip4:216.1... |
| SOA | 1 | NS95.WORLDNIC.COM namehost.WORLDNIC.COM |
Analysis
Hierarchy
mail.spisd.org and filter.spisd.org each fall under spisd.org as their parent domain.
IP Addresses
spisd.org directs to two IP numbers, 18.233.124.95 and 54.221.139.169
Two other host names, along with d107.org, fairbanks.k12.oh.us and greencastle.k12.in.us, also share IP numbers with spisd.org.
Name Servers
spisd.org is delegated to two name servers: ns95.worldnic.com and ns96.worldnic.com.
spisd.org shares its NS records with other domains, for example skytaxi.com, schoolnurseday.org, websmartsolutions.net and two others.
spisd.org shares at least some of its name servers with other domains, such as cebstat.com.
ns95.worldnic.com directs to 162.159.26.217 and ns96.worldnic.com directs to 162.159.27.155; each host name points to exactly one IP number.
Mail Servers
spisd.org is served by two mail servers, d293755a.ess.barracudanetworks.com and d293755b.ess.barracudanetworks.com.
d293755a.ess.barracudanetworks.com and d293755b.ess.barracudanetworks.com each resolve to three IP addresses — 209.222.82.252, 209.222.82.253 and 209.222.82.255 — sharing the same set.
d293755a.ess.barracudanetworks.com and d293755b.ess.barracudanetworks.com are host names that each point to 209.222.82.252 IP addresses.
d293755a.ess.barracudanetworks.com and d293755b.ess.barracudanetworks.com are host names that each point to 209.222.82.253 IP addresses.
d293755a.ess.barracudanetworks.com and d293755b.ess.barracudanetworks.com are host names that each point to 209.222.82.255 IP addresses.