how2college.com - robtex.com
how2college.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.2.175.35🇺🇸 Amazon52.2.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-52-2-175-35.compute-1.amazonaws.com | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| MX | mx.how2college.com.cust.b.hostedemail.com ⭐ | ||||||
| TXT | v=spf1 mx a ptr ip4:64.98.42.0/24 ip4:64.98.36.17 ip4:64.98.36.15 a:mail.how2... | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1752406020 | ||||||
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=1774414817 | ||||||
Same first word
how2college.com |
DNS History
5 records (5 active, 0 former)
●NSns1.systemdns.com2026-03-13 → 2026-03-25 · 2 obs
● 2026-03-25 05:02:42
●NSns2.systemdns.com2026-03-13 → 2026-03-25 · 2 obs
● 2026-03-25 05:02:42
●NSns3.systemdns.com2026-03-13 → 2026-03-25 · 2 obs
● 2026-03-25 05:02:42
●MXmx.how2college.com.cust.b.hostedemail.com2026-03-13 → 2026-03-25 · 2 obs
● 2026-03-25 05:02:42
●A52.2.175.352026-03-13 → 2026-03-25 · 2 obs
● 2026-03-25 05:02:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net... | - |
| how2college.com | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | 6 records |
✅ Authoritative Response
Server:64.99.96.36
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for how2college.com (unsigned zone)
⏱️ Timing
Total: 154ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.2.175.35 |
| NS | 3 | ns3.systemdns.com, ns2.systemdns.com... |
| MX | 1 | mx.how2college.com.cust.b.hostedemail.co |
| TXT | 1 | v=spf1 mx a ptr ip4:64.98.42.0/24 ip4:64 |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)
Analysis
IP Addresses
how2college.com maps to IP address 52.2.175.35.
Name Servers
how2college.com is delegated to name servers ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
how2college.com at least partially shares name servers with other domains such as chiefantagonist.com, csulb.com, caspar.net, kiinteistokumppani.com and baupermiao.com.
Host names with two IP numbers:
ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90.
ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16.
ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36.
Mail Servers
how2college.com is handled by a single mail server, mx.how2college.com.cust.b.hostedemail.com.