math-port.com - robtex.com

math-port.com

DNSSECโš ๏ธ Not signed
A20.247.40.175๐Ÿ‡ญ๐Ÿ‡ฐ Microsoft20.192.0.0/10
NSns1.xserver.jp โญ
A202.226.36.164๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26๐Ÿ‡ฏ๐Ÿ‡ต Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXmath-port.com โญ
A20.247.40.175๐Ÿ‡ญ๐Ÿ‡ฐ Microsoft20.192.0.0/10
TXT_q8m865rf836fparde5egy877nyp31ni
TXTv=spf1 +a:sv12406.xserver.jp +a:math-port.com +mx include:spf.sender.xserver....
SOAns1.xserver.jproot@xserver.jp serial=0

com

MX for

Same first word

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXmath-port.comA20.247.40.175
โ—NSns1.xserver.jp2026-02-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2026-02-17 21:40:20
โ— 2026-05-09 06:05:50
โ—NSns2.xserver.jp2026-02-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2026-02-17 21:40:20
โ— 2026-05-09 06:05:50
โ—NSns3.xserver.jp2026-02-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2026-02-17 21:40:20
โ— 2026-05-09 06:05:50
โ—NSns4.xserver.jp2026-02-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2026-02-17 21:40:20
โ— 2026-05-09 06:05:50
โ—NSns5.xserver.jp2026-02-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2026-02-17 21:40:20
โ— 2026-05-09 06:05:50
โ—MXmath-port.com2026-02-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2026-02-17 21:40:20
โ— 2026-05-09 06:05:50
โ—A20.247.40.1752026-02-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2026-02-17 21:40:20
โ— 2026-05-09 06:05:50

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...-
math-port.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

โœ… Authoritative Response

Server:202.226.37.247

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for math-port.com (unsigned zone)

โฑ๏ธ Timing

Total: 3122ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A120.247.40.175
NS5ns5.xserver.jp, ns3.xserver.jp...
MX1math-port.com (pri: 0)
TXT2v=spf1 +a:sv12406.xserver.jp +a:math-por, _q8m865rf836fparde5egy877nyp31ni
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

math-port.com serves as the mail server for math-port.com.

IP Addresses

math-port.com resolves to one IP number: 20.247.40.175.

Other host names, for instance thecyberbay.com, braburesults.com, cleanitgo.com, cloudshot.io and myschoolwizard.com share IP numbers with math-port.com.

Name Servers

math-port.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

math-port.com at least partially shares name servers with other domains, including etakeel.com, sojatochi.co.jp, myunisite.com, alink-s.com and chaka.biz.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

math-port.com is handled by a single mail server, math-port.com.

Host name math-port.com resolves to a single IP: 20.247.40.175.