dyc.edu - robtex.com

dyc.edu

DNSSEC⚠️ Not signed
A2620:12a:8000::1πŸ‡ΊπŸ‡Έ Fastly2620:12a:8000::/44 Pantheon
A2620:12a:8001::1πŸ‡ΊπŸ‡Έ Fastly2620:12a:8000::/44 Pantheon
A23.185.0.1πŸ‡ΊπŸ‡Έ Fastly23.185.0.0/24 Pantheon
NSns3.dyc.edu ⭐
A199.212.95.53πŸ‡ΊπŸ‡Έ AS13374199.212.95.0/24
NSns1.dyc.edu
A199.212.95.11πŸ‡ΊπŸ‡Έ AS13374199.212.95.0/24
NSns10.customer.level3.net ⚠️ Not in parent delegation
A209.244.4.149πŸ‡ΊπŸ‡Έ AS3356209.244.0.0/14
PTRns10.customer.level3.net
NSns19.customer.level3.net ⚠️ Not in parent delegation
A209.244.5.52πŸ‡ΊπŸ‡Έ AS3356209.244.0.0/14
PTRns19.customer.level3.net
NSns2.dyc.edu
A199.212.95.12πŸ‡ΊπŸ‡Έ AS13374199.212.95.0/24
NSns4.dyc.edu ⚠️ Not in parent delegation
A199.212.95.14πŸ‡ΊπŸ‡Έ AS13374199.212.95.0/24
MXdyc-edu.mail.protection.outlook.com ⭐
A2a01:111:f403:c927::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bn8pr05cu00301.inbound.protection.outlook.com
A2a01:111:f403:c946::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-ch5pr02cu00200.inbound.protection.outlook.com
A2a01:111:f403:f909::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bn6pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f912::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-cy5pr03cu00200.inbound.protection.outlook.com
A52.101.9.5πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mn2pr04cu00205.inbound.protection.outlook.com
A52.101.10.1πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn6pr02cu00301.inbound.protection.outlook.com
A52.101.42.18πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr03cu00302.inbound.protection.outlook.com
A52.101.50.13πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mw2pr02cu00605.inbound.protection.outlook.com
TXTadobe-idp-site-verification=2111159e63ebc2a1ffcadd870707d35830f85b753f445974b...
TXTapple-domain-verification=rXL4oAJDV7pw0GfS
TXTcisco-ci-domain-verification=3241f93c716aa5bc845eedc255bb64977a31ab49e6ed78c7...
TXTMS=1565ADA66B2D24AEB2311559967B856AFB258CD3
TXTgoogle-site-verification=ADtcusBdGdF4hPa6BDR-xZ-QHH0UNLQ-A3KRqQgiFOs
TXTzJNW7N+CRVQXN7zkW+QS7RUA5hF4nhBs48iHugTffIAgfgONZvB4G/3Yz4qVpHKkvcmwxtoracFEw...
TXTfacebook-domain-verification=wxcyj22pxdc33wrw2hwpf93km2awrj
TXTtesting
TXTv=spf1 include:spf.protection.outlook.com mx ip4:199.212.95.25 ip4:199.212.9...
TXTciscocidomainverification=d71e3a63f658d82f3b739a70e3e903e7800c973f91c7376f148...
TXTeiq051j0oco35gqj19kuh95gga
SOAns3.dyc.eduabuse@dyc.edu. serial=postmaster.dyc.edu

edu

rank #190194 globally
rank #1733 in the tld
WOT: SAFE (67/100)
πŸ“ˆ Tranco rank: #608,061

Subdomains

Same first word

Similar names

DNS History

18 records (10 active, 8 former)

20162017201820192020202120222023202420252026NSns1.dyc.eduns10.customer.level3.netns19.customer.level3.netns2.dyc.eduns3.dyc.eduns4.dyc.eduns1.exacttarget.comns2.exacttarget.comns5.dyc.eduMXdyc-edu.mail.protection.outlook.commail.dyc.edumail2.dyc.edumail3.dyc.eduA23.185.0.12620:12a:8000::12620:12a:8001::1199.212.95.2199.212.95.28
●NSns1.dyc.edu2015-08-25 β†’ 2026-03-20 Β· 2 obs
● 2015-08-25 03:01:46
● 2026-03-20 11:09:18
β—‹NSns1.exacttarget.com2015-08-25 β†’ 2016-07-04 Β· 4 obs
● 2015-08-25 03:01:46
● 2016-07-04 00:22:28
β—‹ 2016-09-01 10:24:30
β—‹ 2026-03-20 11:09:18
●NSns10.customer.level3.net2015-08-25 β†’ 2026-03-20 Β· 2 obs
● 2015-08-25 03:01:46
● 2026-03-20 11:09:18
●NSns19.customer.level3.net2015-08-25 β†’ 2026-03-20 Β· 2 obs
● 2015-08-25 03:01:46
● 2026-03-20 11:09:18
●NSns2.dyc.edu2015-08-25 β†’ 2026-03-20 Β· 2 obs
● 2015-08-25 03:01:46
● 2026-03-20 11:09:18
β—‹NSns2.exacttarget.com2015-08-25 β†’ 2016-07-04 Β· 4 obs
● 2015-08-25 03:01:46
● 2016-07-04 00:22:28
β—‹ 2016-09-01 10:24:30
β—‹ 2026-03-20 11:09:18
●NSns3.dyc.edu2015-08-25 β†’ 2026-03-20 Β· 9 obs
● 2015-08-25 03:01:46
● 2016-02-08 00:07:20
β—‹ 2016-03-28 07:05:30
β—‹ 2016-05-16 20:59:38
● 2016-05-31 21:28:58
β—‹ 2016-06-24 13:45:16
β—‹ 2016-07-04 00:22:28
● 2016-09-01 10:24:30
● 2026-03-20 11:09:18
●NSns4.dyc.edu2015-08-25 β†’ 2026-03-20 Β· 6 obs
● 2015-08-25 03:01:46
● 2016-02-08 00:07:20
β—‹ 2016-03-28 07:05:30
β—‹ 2018-12-14 06:31:50
● 2026-02-15 17:36:38
● 2026-03-20 11:09:18
β—‹NSns5.dyc.edu2016-03-28 β†’ 2016-05-16 Β· 5 obs
β—‹ 2016-02-08 00:07:20
● 2016-03-28 07:05:30
● 2016-05-16 20:59:38
β—‹ 2016-05-31 21:28:58
β—‹ 2026-03-20 11:09:18
●MXdyc-edu.mail.protection.outlook.com2018-12-14 β†’ 2026-03-20 Β· 3 obs
β—‹ 2017-09-15 07:12:12
● 2018-12-14 06:31:50
● 2026-03-20 11:09:18
β—‹MXmail.dyc.edu2015-08-25 β†’ 2017-09-15 Β· 4 obs
● 2015-08-25 03:01:46
● 2017-09-15 07:12:12
β—‹ 2018-12-14 06:31:50
β—‹ 2026-03-20 11:09:18
β—‹MXmail2.dyc.edu2015-08-25 β†’ 2017-09-15 Β· 4 obs
● 2015-08-25 03:01:46
● 2017-09-15 07:12:12
β—‹ 2018-12-14 06:31:50
β—‹ 2026-03-20 11:09:18
β—‹MXmail3.dyc.edu2015-08-25 β†’ 2017-09-15 Β· 4 obs
● 2015-08-25 03:01:46
● 2017-09-15 07:12:12
β—‹ 2018-12-14 06:31:50
β—‹ 2026-03-20 11:09:18
β—‹A199.212.95.22016-05-31 β†’ 2018-12-14 Β· 5 obs
β—‹ 2016-05-16 20:59:38
● 2016-05-31 21:28:58
● 2018-12-14 06:31:50
β—‹ 2026-02-15 17:36:38
β—‹ 2026-03-20 11:09:18
β—‹A199.212.95.282015-08-25 β†’ 2016-05-16 Β· 4 obs
● 2015-08-25 03:01:46
● 2016-05-16 20:59:38
β—‹ 2016-05-31 21:28:58
β—‹ 2026-03-20 11:09:18
●A23.185.0.12026-02-15 β†’ 2026-03-20 Β· 3 obs
β—‹ 2018-12-14 06:31:50
● 2026-02-15 17:36:38
● 2026-03-20 11:09:18
●A2620:12a:8000::12026-02-15 β†’ 2026-03-20 Β· 3 obs
β—‹ 2018-12-14 06:31:50
● 2026-02-15 17:36:38
● 2026-03-20 11:09:18
●A2620:12a:8001::12026-02-15 β†’ 2026-03-20 Β· 3 obs
β—‹ 2018-12-14 06:31:50
● 2026-02-15 17:36:38
● 2026-03-20 11:09:18

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
eduh.edu-servers.net, d.edu-servers.net, b.edu-servers.net, f.edu-servers.net...-
dyc.eduns10.customer.level3.net, ns19.customer.level3.net, ns1.dyc.edu, ns2.dyc.edu...3 records

βœ… Authoritative Response

Server: 199.212.95.11

NS records: ns10.customer.level3.net, ns19.customer.level3.net, ns1.dyc.edu, ns2.dyc.edu, ns3.dyc.edu

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dyc.edu (unsigned zone)

⏱️ Timing

Total: 295ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A123.185.0.1
AAAA22620:12a:8001::1, 2620:12a:8000::1
NS6ns3.dyc.edu, ns2.dyc.edu...
MX1dyc-edu.mail.protection.outlook.com (pri
TXT11apple-domain-verification=rXL4oAJDV7pw0G, adobe-idp-site-verification=2111159e63eb...
SOA1ns3.dyc.edu abuse.dyc.edu. postmaster.dy

πŸ“Œ Glue Records Collected

Total: 3

In-bailiwick: 3 (ns1.dyc.edu, ns2.dyc.edu, ns3.dyc.edu)

Analysis

Hierarchy

dyc.edu is a parent of webmail.dyc.edu, ns1.dyc.edu, ftp.dyc.edu, apply.dyc.edu, utm.dyc.edu and several other host names.

IP Addresses

Three IP numbers are pointed to by dyc.edu: 2620:12a:8000::1, 2620:12a:8001::1 and 23.185.0.1.

Other host names, for instance o3world.com, www.wims-inc.com, www.duetsbygemini.com, meridionalis.org and bgm360.com share IP numbers with dyc.edu.

Name Servers

dyc.edu is delegated to six name servers: ns1.dyc.edu, ns2.dyc.edu, ns3.dyc.edu, ns4.dyc.edu, ns10.customer.level3.net and ns19.customer.level3.net.

dyc.edu at least partially shares name servers with other domains, for instance 30.153.104.in-addr.arpa, super8opms.com, wyndhamrewards.ie, mps.k12.vt.us and kbcc.cuny.edu.

These name servers are commonly used together with the name servers ns24.customer.level3.net, ns9.customer.level3.net, ns15.customer.level3.net, lavinia.cis.cuny.edu, acme.ucc.cuny.edu, ext-ns1.columbia.edu, dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net, harlem.cis.cuny.edu and hudson.cis.cuny.edu.

Host names with one IP number: ns1.dyc.edu points to: 199.212.95.11; ns2.dyc.edu points to: 199.212.95.12; ns3.dyc.edu points to: 199.212.95.53; ns4.dyc.edu points to: 199.212.95.14; ns10.customer.level3.net points to: 209.244.4.149; ns19.customer.level3.net points to: 209.244.5.52.

Mail Servers

dyc.edu is handled by a single mail server, dyc-edu.mail.protection.outlook.com.

dyc-edu.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c927::1, 2a01:111:f403:c946::, 2a01:111:f403:f909::, 2a01:111:f403:f912::, 52.101.9.5, 52.101.10.1, 52.101.42.18 and 52.101.50.13.