CF1760331891287-tsm20251012143351

MXLIST.NET - k12.md.us

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k12.md.us checked at 2025-10-13T05:04:51.221Z 926ms 121/121/121 100% R:14

k12.md.us

NSns1.umd.edu
A128.8.74.3🇺🇸 UMDNET
PTRns1.umd.edu
PTRns1.net.umd.edu
NSns2.umd.edu
A128.8.76.3🇺🇸 UMDNET
PTRns2.umd.edu
PTRns2.net.umd.edu
MXmx1.umd.iphmx.com
A68.232.131.46🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A68.232.137.73🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A68.232.142.226🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A68.232.143.84🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.140.161🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.140.163🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.149.111🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.149.190🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
MXmx2.umd.iphmx.com
A68.232.131.46🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A68.232.137.73🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A68.232.142.226🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A68.232.143.84🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.140.161🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.140.163🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.149.111🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort
A216.71.149.190🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort

md.us

rank #2969 globally
rank #22 in the tld
This domain name represents the official state domain for Maryland, United States. It is typically used by state and local government entities, educational institutions, and other organizations associated with the state of Maryland. The "md" stands for Maryland, and "us" is the country code for the United States.

Up

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AI analysis

k12.md.us is a parent of wcps.k12.md.us, wcboe.k12.md.us, hcps.k12.md.us, somerset.k12.md.us, calvertnet.k12.md.us and several other host names.

Delegation for k12.md.us rests with two name servers, ns1.umd.edu and ns2.umd.edu.

k12.md.us shares the same name server setup as other domains, including ansc.umd.edu, monitoring.umd.edu, d.2.0.0.0.0.5.0.1.0.0.2.ip6.arpa, arec.umd.edu and larch.umd.edu.

k12.md.us shares name servers with other domains at least partially, for example umd.edu.

Host names with one IP number: ns1.umd.edu points to 128.8.74.3; ns2.umd.edu points to 128.8.76.3.

k12.md.us is handled by two mail servers: mx1.umd.iphmx.com and mx2.umd.iphmx.com.

k12.md.us uses the same mail server configuration as other domains, such as listserv.umd.edu, anth.umd.edu, ireap.umd.edu, grace.umd.edu and civilsociety.umd.edu.

k12.md.us shares at least partially some mail servers with other domains, for example calce.umd.edu, ajrarchive.org and umer.umd.edu.

Host names with eight IP numbers

mx1.umd.iphmx.com points to: 68.232.131.46, 68.232.137.73, 68.232.142.226, 68.232.143.84, 216.71.140.161, 216.71.140.163, 216.71.149.111 and 216.71.149.190

mx2.umd.iphmx.com points to: 68.232.131.46, 68.232.137.73, 68.232.142.226, 68.232.143.84, 216.71.140.161, 216.71.140.163, 216.71.149.111 and 216.71.149.190

Hostnames that point to 68.232.131.46: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Hostnames that point to 68.232.137.73: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Hostnames that point to 68.232.142.226: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Hostnames that point to 68.232.143.84: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Hostnames that point to 216.71.140.161: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Hostnames that point to 216.71.140.163: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Hostnames that point to 216.71.149.111: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Hostnames that point to 216.71.149.190: mx1.umd.iphmx.com and mx2.umd.iphmx.com

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

eTRHCsd CF johedugfp 2025-10-13