math.mtu.edu - robtex.com
math.mtu.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 141.219.68.230🇺🇸 AS62618141.219.0.0/16 Michigan Technological University | ||||||
| PTR | math.mtu.edu | ||||||
| NS | dns2.mtu.edu ⭐ ⚠️ Not in parent delegation | ||||||
| A | 141.219.100.30🇺🇸 AS62618141.219.0.0/16 Michigan Technological University | ||||||
| PTR | dns2.mtu.edu | ||||||
| NS | dns.mtu.edu ⚠️ Not in parent delegation | ||||||
| A | 141.219.64.30🇺🇸 AS62618141.219.0.0/16 Michigan Technological University | ||||||
| PTR | dns.mtu.edu | ||||||
| NS | dns1.merit.net ⚠️ Not in parent delegation | ||||||
| A | 2001:48a8:6880:1::43🇺🇸 MERIT-ASN2001:48a8::/32 Merit Network IPv6 | ||||||
| PTR | nomen1.merit.edu | ||||||
| A | 198.108.1.43🇺🇸 MERIT-ASN198.108.0.0/14 MERIT Network Inc. 1000 Oakbrook Drive, Suite 200 Ann Arbor MI 48104, US | ||||||
| PTR | dns1.merit.net | ||||||
| NS | dns2.merit.net ⚠️ Not in parent delegation | ||||||
| A | 2001:48a8:6880:130::10🇺🇸 MERIT-ASN2001:48a8::/32 Merit Network IPv6 | ||||||
| PTR | nomen2.merit.edu | ||||||
| A | 198.108.130.10🇺🇸 MERIT-ASN198.108.0.0/14 MERIT Network Inc. 1000 Oakbrook Drive, Suite 200 Ann Arbor MI 48104, US | ||||||
| PTR | dns2.merit.net | ||||||
| NS | dns3.merit.net ⚠️ Not in parent delegation | ||||||
| A | 2001:48a8:6880:72::10🇺🇸 MERIT-ASN2001:48a8::/32 Merit Network IPv6 | ||||||
| PTR | nomen3.merit.edu | ||||||
| A | 198.109.36.10🇺🇸 MERIT-ASN198.108.0.0/14 MERIT Network Inc. 1000 Oakbrook Drive, Suite 200 Ann Arbor MI 48104, US | ||||||
| PTR | dns3.merit.net | ||||||
| SOA | dns.mtu.edudns-admin@mtu.edu 2026-06-16 #0 | ||||||
mtu.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 141.219.70.117🇺🇸 AS62618141.219.0.0/16 Michigan Technological University | ||||||
| NS | dns2.mtu.edu ⭐ | ||||||
| NS | dns.mtu.edu | ||||||
| NS | dns1.merit.net | ||||||
| NS | dns2.merit.net | ||||||
| NS | dns3.merit.net | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | aspmx2.googlemail.com(10) | ||||||
| MX | aspmx3.googlemail.com(10) | ||||||
| SOA | dns.mtu.edudns-admin@mtu.edu 2026-07-10 #0 | ||||||
rank #3677 globally
rank #143 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #12,981
PTR for
Subdomains
www.math.mtu.edu |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
○A141.219.154.302015-05-25 → 2016-03-30 · 4 obs
● 2016-03-30 04:54:44
○ 2016-09-13 02:45:24
○ 2026-07-12 16:37:50
○A141.219.64.952016-09-13 → 2016-12-16 · 5 obs
● 2016-09-13 02:45:24
● 2016-12-16 04:39:46
○ 2026-07-04 23:52:36
○ 2026-07-12 16:37:50
●A141.219.68.2302026-07-04 → 2026-07-12 · 3 obs
● 2026-07-04 23:52:36
● 2026-07-12 16:37:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | 26 records |
| mtu.edu | dns3.merit.net, dns2.merit.net, dns2.mtu.edu, dns.mtu.edu... | 2 records |
✅ Authoritative Response
Server:141.219.100.30
NS records: dns3.merit.net, dns2.merit.net, dns2.mtu.edu, dns.mtu.edu, dns1.merit.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mtu.edu (unsigned zone)
⏱️ Timing
Total: 407ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 141.219.68.230 |
| NS | 5 | dns3.merit.net, dns2.merit.net... |
| SOA | 1 | dns.mtu.edu dns-admin.mtu.edu |
📌 Glue Records Collected
Total: 28
In-bailiwick: 2 (dns2.mtu.edu, dns.mtu.edu)
Out-of-bailiwick: 26 (a.edu-servers.net, b.edu-servers.net, c.edu-servers.net...)
Analysis
Hierarchy
www.math.mtu.edu is a subdomain of math.mtu.edu.
IP Addresses
math.mtu.edu resolves to just one IP address, 141.219.68.230.
Name Servers
math.mtu.edu delegates to five name servers: dns2.mtu.edu, dns.mtu.edu, dns1.merit.net and two others.
The name servers of math.mtu.edu overlap at least partially with those of other domains — among them 97.108.198.in-addr.arpa, hamtramck.lib.mi.us, 70.38.204.in-addr.arpa and two more.
These name servers commonly appear in delegations together with dns3.merit.net, dns2.merit.net, dns.merit.net and 4 other.
Host names that have two IP addresses:
dns1.merit.net resolves to 198.108.1.43 and 2001:48a8:6880:1::43.
dns2.merit.net resolves to 198.108.130.10 and 2001:48a8:6880:130::10.
dns3.merit.net resolves to 198.109.36.10 and 2001:48a8:6880:72::10.
Host names that point to one IP address:
dns2.mtu.edu resolves to 141.219.100.30.
dns.mtu.edu resolves to 141.219.64.30.