mx.grubhub.us - robtex.com
mx.grubhub.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| NS | ns3.expirationwarning.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns7.expirationwarning.net ⚠️ Not in parent delegation | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-03 #0 | ||||||
grubhub.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| NS | ns3.expirationwarning.net ⭐ | ||||||
| NS | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-03 #0 | ||||||
Previously MX for
Same first word
Similar names
xm.is |
xm.co.kr |
xm.am |
xm.money |
xm.be |
xm.cz |
xm.hk.cn |
xm.fj.cn |
xm.pl |
xm.vn.ua |
xm.house |
xm.mk |
xm.la |
xm.com |
xm.biz |
xm.media |
xm.fyi |
xm.pe |
xm.wtf |
xm.nl |
xm.app |
xm.cn |
xm.gov.cn |
xm.city |
xm.ca |
xm.ee |
DNS History
7 records (3 active, 4 former)
○NSns1.parkingcrew.net2026-04-18 → 2026-05-24 · 4 obs
● 2026-05-24 04:08:00
○ 2026-08-04 13:31:38
○ 2026-08-04 13:31:40
○NSns2.parkingcrew.net2026-04-18 → 2026-05-24 · 4 obs
● 2026-05-24 04:08:00
○ 2026-08-04 13:31:38
○ 2026-08-04 13:31:40
●NSns3.expirationwarning.net2026-08-04 → 2026-08-04 · 3 obs
● 2026-08-04 13:31:38
● 2026-08-04 13:31:40
●NSns7.expirationwarning.net2026-08-04 → 2026-08-04 · 3 obs
● 2026-08-04 13:31:38
● 2026-08-04 13:31:40
○MXmail.h-email.net2026-04-18 → 2026-05-24 · 4 obs
● 2026-05-24 04:08:00
○ 2026-08-04 13:31:38
○ 2026-08-04 13:31:40
○A104.247.81.992026-04-18 → 2026-05-24 · 4 obs
● 2026-05-24 04:08:00
○ 2026-08-04 13:31:38
○ 2026-08-04 13:31:40
●A51.195.17.682026-08-04 → 2026-08-04 · 3 obs
● 2026-08-04 13:31:38
● 2026-08-04 13:31:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| grubhub.us | ns3.expirationwarning.net, ns7.expirationwarning.net | - |
✅ Authoritative Response
Server:51.195.17.68
NS records: ns3.expirationwarning.net, ns7.expirationwarning.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grubhub.us (unsigned zone)
⏱️ Timing
Total: 2226ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.161.21.1 |
| NS | 2 | ns7.expirationwarning.net, ns3.expirationwarning.net |
| SOA | 1 | ns3.expirationwarning.net hostmaster.exp |
Analysis
IP Addresses
mx.grubhub.us directs to one IP number, which is 51.195.17.68.
Among the host names that share IP numbers with mx.grubhub.us are mx.nvcds.com, pyzzhb.com, www.joomlaport.com and two others.
Name Servers
mx.grubhub.us is served by two delegated name servers, ns3.expirationwarning.net and ns7.expirationwarning.net.
mx.grubhub.us has the same name server delegation as a number of other domains, such as reutov.pr-13.com, voicemingle.com, washingtoncapitols.com and two more.
ns3.expirationwarning.net directs to 51.161.21.1 and ns7.expirationwarning.net directs to 51.195.17.68; each host name points to exactly one IP number.