nap.edu - robtex.com

nap.edu

DNSSECπŸ”’ Signed (DS record present)
A144.171.1.10πŸ‡ΊπŸ‡Έ NAS144.171.0.0/16 National Academy of Sciences of the United States of America
PTRkronos.nas.edu
NSberkshire.nas.edu ⭐
A144.171.1.37πŸ‡ΊπŸ‡Έ NAS144.171.0.0/16 National Academy of Sciences of the United States of America
PTRberkshire.nas.edu
NSa1-44.akam.net
A2600:1401:2::2cπŸ‡ΊπŸ‡Έ Akamai2600:1401:2::/48 Technologies
PTRa1-44.akam.net
PTRns1-44.akam.net
A193.108.91.44πŸ‡³πŸ‡± Akamai193.108.91.0/24 Technologies
PTRa1-44.akam.net
PTRns1-44.akam.net
NSa11-64.akam.net
A2600:1480:1::40πŸ‡ΊπŸ‡Έ Akamai2600:1480:1::/48 Technologies
PTRa11-64.akam.net
PTRns4-64.akam.net
A84.53.139.64πŸ‡³πŸ‡± Akamai84.53.139.0/24 Technologies
PTRa11-64.akam.net
PTRns4-64.akam.net
NSa16-67.akam.net
A2600:1406:1b::43πŸ‡ΊπŸ‡Έ Akamai2600:1406:1b::/48 Technologies
PTRa16-67.akam.net
A23.211.132.67πŸ‡ΊπŸ‡Έ Akamai23.211.132.0/24 Technologies
PTRa16-67.akam.net
NSa28-67.akam.net
A2600:1480:d800::43πŸ‡ΊπŸ‡Έ Akamai2600:1480:d800::/48 Technologies
PTRa28-67.akam.net
A95.100.173.67πŸ‡³πŸ‡± Akamai95.100.173.0/24 Technologies
PTRa28-67.akam.net
NSa5-65.akam.net
A2600:1480:b000::41πŸ‡ΊπŸ‡Έ Akamai2600:1480:b000::/48 Technologies
PTRa5-65.akam.net
PTRns6-65.akam.net
A95.100.168.65πŸ‡³πŸ‡± Akamai95.100.168.0/24 Technologies
PTRa5-65.akam.net
PTRns6-65.akam.net
NSa6-66.akam.net
A2600:1401:1::42πŸ‡ΊπŸ‡Έ Akamai2600:1401:1::/48 Technologies
PTRa6-66.akam.net
A23.211.133.66πŸ‡ΊπŸ‡Έ Akamai23.211.133.0/24 Technologies
PTRa6-66.akam.net
MXnas-edu.mail.protection.outlook.com ⭐
A2a01:111:f403:f900::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-blapr09cu00101.inbound.protection.outlook.com
A2a01:111:f403:f904::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-dm6pr09cu00200.inbound.protection.outlook.com
A2a01:111:f403:f904::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-ds0pr09cu00101.inbound.protection.outlook.com
A2a01:111:f403:f90e::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sa9pr09cu00101.inbound.protection.outlook.com
A52.101.8.50πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dm6pr09cu00202.inbound.protection.outlook.com
A52.101.8.52πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ds0pr09cu00104.inbound.protection.outlook.com
A52.101.9.19πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-blapr09cu00103.inbound.protection.outlook.com
A52.101.11.12πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr09cu00104.inbound.protection.outlook.com
TXTMS=ms42561113
TXTv=spf1 mx include:spf.protection.outlook.com -all
SOAberkshire.nas.eduhostmaster@berkshire.nas.edu serial=1772342102

edu

rank #1934 globally
rank #95 in the tld
This domain name "nap.edu" belongs to the National Academies Press, an organization in the United States that publishes the reports issued by the National Academies of Sciences, Engineering, and Medicine. The "nap" in the domain name is an acronym for National Academies Press. The ".edu" signifies that it is an educational institution.WOT: SAFE (90/100)
πŸ“ˆ Tranco rank: #8,118

PTR for

Subdomains

Same first word

Similar names

DNS History

22 records (9 active, 13 former)

20162017201820192020202120222023202420252026NSa1-44.akam.neta11-64.akam.neta16-67.akam.neta28-67.akam.neta5-65.akam.neta6-66.akam.netberkshire.nas.edubighorn.nas.edubona.nas.edubonairl.nas.edubonaor.nas.eduns1-auth.sprintlink.netns2-auth.sprintlink.netns3-auth.sprintlink.netrushmore.nas.eduMXnas-edu.mail.protection.outlook.comnewton.nap.edurockies.nas.edusawtooth.nas.eduA144.171.1.10144.171.11.5144.171.20.6
●NSa1-44.akam.net2026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
●NSa11-64.akam.net2026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
●NSa16-67.akam.net2026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
●NSa28-67.akam.net2026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
●NSa5-65.akam.net2026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
●NSa6-66.akam.net2026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
●NSberkshire.nas.edu2015-08-30 β†’ 2026-03-01 Β· 33 obs
● 2015-08-30 08:25:18
● 2015-09-08 10:07:20
β—‹ 2015-09-09 07:27:06
● 2015-09-13 19:34:26
● 2015-10-25 18:17:06
β—‹ 2015-10-30 16:43:16
β—‹ 2015-11-01 14:57:06
● 2015-11-05 22:41:36
● 2016-01-17 07:56:32
β—‹ 2016-01-28 07:26:46
● 2016-02-02 20:48:52
● 2016-02-04 06:26:42
β—‹ 2016-03-10 20:33:52
● 2016-04-16 04:59:18
β—‹ 2016-04-27 08:08:44
β—‹ 2016-05-11 04:42:22
● 2016-05-25 23:58:42
β—‹ 2016-06-11 11:27:48
● 2016-06-28 04:21:00
β—‹ 2016-07-17 19:31:40
β—‹ 2016-07-25 11:00:52
● 2016-08-02 01:24:00
β—‹ 2016-08-09 03:44:20
● 2016-08-16 14:49:48
β—‹ 2016-08-23 21:37:06
β—‹ 2016-09-25 11:14:56
● 2016-10-03 07:49:54
β—‹ 2016-10-11 04:08:46
β—‹ 2016-11-19 17:56:00
● 2016-11-26 19:51:12
β—‹ 2016-11-30 06:32:44
● 2016-12-06 01:51:40
● 2026-03-01 09:56:38
β—‹NSbighorn.nas.edu2015-08-30 β†’ 2021-10-27 Β· 33 obs
● 2015-08-30 08:25:18
β—‹ 2015-09-08 10:07:20
β—‹ 2015-10-25 18:17:06
● 2015-10-30 16:43:16
● 2015-11-01 14:57:06
β—‹ 2015-11-05 22:41:36
β—‹ 2016-01-17 07:56:32
● 2016-01-28 07:26:46
β—‹ 2016-02-02 20:48:52
β—‹ 2016-02-04 06:26:42
● 2016-03-10 20:33:52
β—‹ 2016-04-16 04:59:18
β—‹ 2016-06-28 04:21:00
● 2016-07-17 19:31:40
● 2016-07-25 11:00:52
β—‹ 2016-08-02 01:24:00
● 2016-08-09 03:44:20
β—‹ 2016-08-16 14:49:48
β—‹ 2016-08-23 21:37:06
● 2016-08-31 03:54:16
● 2016-09-15 22:25:50
β—‹ 2016-09-25 11:14:56
β—‹ 2016-10-11 04:08:46
● 2016-10-21 02:58:04
β—‹ 2016-10-30 13:20:08
● 2016-11-12 07:22:02
● 2016-11-19 17:56:00
β—‹ 2016-11-26 19:51:12
● 2016-11-30 06:32:44
β—‹ 2016-12-06 01:51:40
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
β—‹NSbona.nas.edu2016-12-06 β†’ 2021-10-27 Β· 5 obs
β—‹ 2016-11-30 06:32:44
● 2016-12-06 01:51:40
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
β—‹NSbonairl.nas.edu2017-05-18 β†’ 2021-10-27 Β· 5 obs
β—‹ 2016-12-06 01:51:40
● 2017-05-18 23:59:28
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
β—‹NSbonaor.nas.edu2017-05-18 β†’ 2021-10-27 Β· 5 obs
β—‹ 2016-12-06 01:51:40
● 2017-05-18 23:59:28
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
β—‹NSns1-auth.sprintlink.net2015-08-30 β†’ 2016-11-30 Β· 4 obs
● 2015-08-30 08:25:18
● 2016-11-30 06:32:44
β—‹ 2016-12-06 01:51:40
β—‹ 2026-03-01 09:56:38
β—‹NSns2-auth.sprintlink.net2015-08-30 β†’ 2016-11-30 Β· 4 obs
● 2015-08-30 08:25:18
● 2016-11-30 06:32:44
β—‹ 2016-12-06 01:51:40
β—‹ 2026-03-01 09:56:38
β—‹NSns3-auth.sprintlink.net2015-08-30 β†’ 2016-11-30 Β· 4 obs
● 2015-08-30 08:25:18
● 2016-11-30 06:32:44
β—‹ 2016-12-06 01:51:40
β—‹ 2026-03-01 09:56:38
β—‹NSrushmore.nas.edu2015-08-30 β†’ 2021-10-27 Β· 35 obs
● 2015-08-30 08:25:18
β—‹ 2015-09-08 10:07:20
● 2015-09-09 07:27:06
β—‹ 2015-09-13 19:34:26
● 2015-09-30 01:08:06
β—‹ 2015-10-01 01:26:20
β—‹ 2015-10-08 21:50:50
● 2015-10-19 23:49:06
● 2015-10-25 18:17:06
β—‹ 2015-10-30 16:43:16
● 2015-11-01 14:57:06
● 2015-11-05 22:41:36
β—‹ 2015-12-02 02:37:14
β—‹ 2016-01-10 04:11:36
● 2016-01-17 07:56:32
β—‹ 2016-01-28 07:26:46
β—‹ 2016-04-16 04:59:18
● 2016-04-27 08:08:44
● 2016-05-11 04:42:22
β—‹ 2016-05-25 23:58:42
● 2016-06-11 11:27:48
β—‹ 2016-06-28 04:21:00
● 2016-07-17 19:31:40
β—‹ 2016-07-25 11:00:52
β—‹ 2016-08-16 14:49:48
● 2016-08-23 21:37:06
β—‹ 2016-08-31 03:54:16
β—‹ 2016-09-15 22:25:50
● 2016-09-25 11:14:56
● 2016-11-19 17:56:00
β—‹ 2016-11-26 19:51:12
● 2016-11-30 06:32:44
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
●MXnas-edu.mail.protection.outlook.com2026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
β—‹MXnewton.nap.edu2015-08-30 β†’ 2019-08-26 Β· 4 obs
● 2015-08-30 08:25:18
● 2019-08-26 18:18:28
β—‹ 2021-07-05 04:43:54
β—‹ 2026-03-01 09:56:38
β—‹MXrockies.nas.edu2021-07-05 β†’ 2021-10-27 Β· 5 obs
β—‹ 2019-08-26 18:18:28
● 2021-07-05 04:43:54
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
β—‹MXsawtooth.nas.edu2021-07-05 β†’ 2021-10-27 Β· 5 obs
β—‹ 2019-08-26 18:18:28
● 2021-07-05 04:43:54
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
●A144.171.1.102026-02-14 β†’ 2026-03-01 Β· 3 obs
β—‹ 2021-10-27 10:57:00
● 2026-02-14 20:45:56
● 2026-03-01 09:56:38
β—‹A144.171.11.52021-07-05 β†’ 2021-10-27 Β· 5 obs
β—‹ 2019-08-26 18:18:28
● 2021-07-05 04:43:54
● 2021-10-27 10:57:00
β—‹ 2026-02-14 20:45:56
β—‹ 2026-03-01 09:56:38
β—‹A144.171.20.62015-08-30 β†’ 2019-08-26 Β· 4 obs
● 2015-08-30 08:25:18
● 2019-08-26 18:18:28
β—‹ 2021-07-05 04:43:54
β—‹ 2026-03-01 09:56:38

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
edua.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...26 records
nap.edua28-67.akam.net, a1-44.akam.net, a5-65.akam.net, a11-64.akam.net...-

βœ… Authoritative Response

Server: 23.211.133.66

NS records: a28-67.akam.net, a1-44.akam.net, a5-65.akam.net, a11-64.akam.net, a16-67.akam.net, a6-66.akam.net

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 729ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1144.171.1.10
NS6a28-67.akam.net, a11-64.akam.net...
MX1nas-edu.mail.protection.outlook.com (pri
TXT2v=spf1 mx include:spf.protection.outlook, MS=ms42561113
SOA1berkshire.nas.edu hostmaster.berkshire.n

πŸ“Œ Glue Records Collected

Total: 26

Out-of-bailiwick: 26 (a.edu-servers.net, a.edu-servers.net, b.edu-servers.net...)

Analysis

Hierarchy

nap.edu is the parent of cart.nap.edu, rs3.nap.edu, stills.nap.edu, www.nap.edu, maxwell.nap.edu and a few other host names.

IP Addresses

nap.edu points to an IP address: 144.171.1.10.

other host names include www.nap.edu, images.nap.edu, books.nap.edu, secure.nap.edu and download.nap.edu; they share IP numbers with nap.edu.

Name Servers

nap.edu is delegated to seven name servers: berkshire.nas.edu, a1-44.akam.net, a11-64.akam.net, a16-67.akam.net, a28-67.akam.net, a5-65.akam.net and a6-66.akam.net.

nap.edu at least partially shares name servers with other domains, for instance resmed.com.br, dubaiid.ae, mey-edlich.de, wlhorses.uk and alhurra.org.

these name servers are commonly used with a7-66.akam.net, a11-66.akam.net, a2-66.akam.net, a18-64.akam.net, a24-65.akam.net, a9-65.akam.net, a7-64.akam.net, a1-254.akam.net, dns1.novartis.com and a28-64.akam.net.

Host names with two IP numbers

a1-44.akam.net points to 2600:1401:2::2c and 193.108.91.44

a11-64.akam.net points to 2600:1480:1::40 and 84.53.139.64

a16-67.akam.net points to 2600:1406:1b::43 and 23.211.132.67

a28-67.akam.net points to 2600:1480:d800::43 and 95.100.173.67

a5-65.akam.net points to 2600:1480:b000::41 and 95.100.168.65

a6-66.akam.net points to 2600:1401:1::42 and 23.211.133.66

Host names with one IP number

berkshire.nas.edu points to 144.171.1.37

Mail Servers

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

nap.edu shares the same mail server setup as other domains such as nae.edu, nas.edu, nationalacademies.org and nas-janus.org.

Hostname nas-edu.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:f900::1, 2a01:111:f403:f904::, 2a01:111:f403:f904::1, 2a01:111:f403:f90e::1, 52.101.8.50, 52.101.8.52, 52.101.9.19 and 52.101.11.12.