calcal.ist - robtex.com
calcal.ist
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.62.243.82🇺🇸 HURRICANE64.62.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| NS | ns1.tinyurl.com ⭐ | ||||||
| A | 136.244.109.41🇳🇱 AS-VULTR136.244.96.0/20 Vultr Assigned Prefix | ||||||
| PTR | 136.244.109.41.vultrusercontent.com | ||||||
| NS | ns2.tinyurl.com | ||||||
| A | 207.246.88.32🇺🇸 AS-VULTR207.246.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | 207.246.88.32.vultrusercontent.com | ||||||
| NS | ns3.tinyurl.com | ||||||
| A | 66.220.23.67🇺🇸 HURRICANE66.220.0.0/19 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| NS | ns4.tinyurl.com | ||||||
| A | 158.247.219.133🇰🇷 AS-VULTR158.247.192.0/18 The Constant Company, LLC 319 CLEMATIS ST Suite 900 | ||||||
| PTR | 158.247.219.133.vultrusercontent.com | ||||||
| MX | smtp.tinyurl.com ⭐ | ||||||
| SOA | ns1.tinyurl.comhostmaster@tinyurl.com serial=1759147110 | ||||||
ist
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.ist ⭐ | ||||||
| NS | a2.nic.ist | ||||||
| NS | b0.nic.ist | ||||||
| NS | c0.nic.ist | ||||||
| SOA | a0.nic.isthostmaster@donuts.email serial=1785848847 | ||||||
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.tinyurl.com2026-08-03 → 2026-08-04 · 2 obs
● 2026-08-04 13:28:06
●NSns2.tinyurl.com2026-08-03 → 2026-08-04 · 2 obs
● 2026-08-04 13:28:06
●NSns3.tinyurl.com2026-08-03 → 2026-08-04 · 2 obs
● 2026-08-04 13:28:06
●NSns4.tinyurl.com2026-08-03 → 2026-08-04 · 2 obs
● 2026-08-04 13:28:06
●MXsmtp.tinyurl.com2026-08-03 → 2026-08-04 · 2 obs
● 2026-08-04 13:28:06
●A64.62.243.822026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 13:28:06
○A64.62.243.922026-08-03 → 2026-08-03 · 2 obs
○ 2026-08-04 13:28:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ist | c0.nic.ist, a2.nic.ist, b0.nic.ist, a0.nic.ist | 8 records |
| calcal.ist | ns3.tinyurl.com, ns1.tinyurl.com, ns2.tinyurl.com, ns4.tinyurl.com | - |
✅ Authoritative Response
Server:207.246.88.32
NS records: ns3.tinyurl.com, ns1.tinyurl.com, ns2.tinyurl.com, ns4.tinyurl.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calcal.ist (unsigned zone)
⏱️ Timing
Total: 473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.62.243.82 |
| NS | 4 | ns4.tinyurl.com, ns3.tinyurl.com... |
| MX | 1 | smtp.tinyurl.com (pri: 10) |
| SOA | 1 | ns1.tinyurl.com hostmaster.tinyurl.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (c0.nic.ist, c0.nic.ist, a2.nic.ist...)
Analysis
IP Addresses
calcal.ist resolves to one IP address: 64.62.243.82.
careercrawlerslmv.com, lifeandtime.charity, xrefs.live and two other host names share IP numbers with calcal.ist.
Name Servers
The authoritative name servers for calcal.ist are ns1.tinyurl.com, ns2.tinyurl.com, ns3.tinyurl.com and ns4.tinyurl.com.
The name servers of calcal.ist overlap at least partially with those of other domains — among them woodmans.market, switchedonsailing.app, quickclips.net and two more.
These name servers commonly appear in combination with the name servers ns5.tinyurl.com.
Each of the four hosts ns1.tinyurl.com, ns2.tinyurl.com, ns3.tinyurl.com and ns4.tinyurl.com points to a single IP address — ns1.tinyurl.com points to 136.244.109.41, ns2.tinyurl.com points to 207.246.88.32, ns3.tinyurl.com points to 66.220.23.67 and ns4.tinyurl.com points to 158.247.219.133.
Mail Servers
Mail for calcal.ist is handled by a single mail server, smtp.tinyurl.com.
calcal.ist uses an identical mail server configuration to several other domains — among them scholarlyus.com, tamthangnam.life, lifeandtime.charity and two more.
calcal.ist has at least partial mail server overlap with other domains such as betaxfree.net, hbs.me, instagram-com.info and two more.