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DNSSEC⚠️ Not signed
A16.15.181.194🇺🇸 Amazon
A16.15.193.48🇺🇸 Amazon
A16.15.223.190🇺🇸 Amazon
A52.216.40.69🇺🇸 Amazon
A52.217.173.173🇺🇸 Amazon
A52.217.224.109🇺🇸 Amazon
A54.231.137.189🇺🇸 Amazon
A54.231.140.165🇺🇸 Amazon
NSns-940.awsdns-53.net ⭐
A2600:9000:5303:ac00::1🇺🇸 Amazon
PTRns-940.awsdns-53.net
A205.251.195.172🇺🇸 Amazon
PTRns-940.awsdns-53.net
NSns-1392.awsdns-46.org
A2600:9000:5305:7000::1🇺🇸 Amazon
PTRns-1392.awsdns-46.org
A205.251.197.112🇺🇸 Amazon
PTRns-1392.awsdns-46.org
NSns-1759.awsdns-27.co.uk
A2600:9000:5306:df00::1🇺🇸 Amazon
PTRns-1759.awsdns-27.co.uk
A205.251.198.223🇺🇸 Amazon
PTRns-1759.awsdns-27.co.uk
NSns-56.awsdns-07.com
A2600:9000:5300:3800::1🇺🇸 Amazon
PTRns-56.awsdns-07.com
A205.251.192.56🇺🇸 Amazon
PTRns-56.awsdns-07.com
MXaspmx.l.google.com ⭐
A2a00:1450:4009:c0f::1a🇬🇧 Google
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google
PTRyulhrs-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4003:c30::1b🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google
PTRyutulis-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2607:f8b0:4001:c70::1a🇺🇸 Google
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google
PTRyucbful-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4003:c30::1b🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google
PTRyutulis-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2607:f8b0:4001:c70::1b🇺🇸 Google
PTRyucbful-in-f27.1e100.net
A192.178.209.26🇺🇸 Google
PTRyucbful-in-f26.1e100.net
TXTgoogle-site-verification=QVDmizMNwEHwLkND8hQAJ-mTKmBhbm2uRR8t6Z_HThU
TXTgoogle-site-verification=vQ131foKJ-PiWxQbeFliu4fQ32NRi9why12fnY2CVlg
TXTv=spf1 include:_spf.google.com ~all
SOAns-940.awsdns-53.netawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1770918430

Same first word

crtdn.com

Similar names

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cdntr.com

DNS History

60 records (17 active, 43 former)

20162017201820192020202120222023202420252026NSns-1392.awsdns-46.orgns-1759.awsdns-27.co.ukns-56.awsdns-07.comns-940.awsdns-53.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA16.15.181.19416.15.193.4816.15.223.19052.216.40.6952.217.173.17352.217.224.10954.231.137.18954.231.140.16516.15.192.23652.216.250.15552.217.126.15752.217.160.22952.217.198.3752.217.228.22954.231.1.17254.231.10.10854.231.10.7654.231.11.9854.231.112.10654.231.112.5854.231.113.25054.231.114.19354.231.114.20954.231.114.22554.231.115.5754.231.120.20954.231.120.3354.231.13.14054.231.13.22854.231.14.12454.231.14.17254.231.14.22854.231.165.21354.231.166.1354.231.17.16454.231.17.18054.231.17.2054.231.40.1754.231.41.2554.231.41.7354.231.49.17754.231.49.24954.231.72.8154.231.72.8954.231.80.12254.231.81.22554.231.9.15654.231.98.15454.231.98.19454.231.98.6654.231.98.90
●NSns-1392.awsdns-46.org2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●NSns-1759.awsdns-27.co.uk2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●NSns-56.awsdns-07.com2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●NSns-940.awsdns-53.net2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●MXalt1.aspmx.l.google.com2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●MXalt2.aspmx.l.google.com2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●MXaspmx.l.google.com2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●MXaspmx2.googlemail.com2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●MXaspmx3.googlemail.com2015-08-19 → 2026-02-16 · 2 obs
● 2015-08-19 21:06:46
● 2026-02-16 07:32:06
●A16.15.181.1942026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
○A16.15.192.2362026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
●A16.15.193.482026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
●A16.15.223.1902026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
○A52.216.250.1552026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
●A52.216.40.692026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
○A52.217.126.1572026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A52.217.160.2292026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
●A52.217.173.1732026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
○A52.217.198.372026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
●A52.217.224.1092026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
○A52.217.228.2292026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.1.1722015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.10.1082015-12-27 → 2015-12-27 · 4 obs
○ 2015-08-19 21:06:46
● 2015-12-27 10:54:58
○ 2016-06-22 06:51:28
○ 2026-02-16 07:32:06
○A54.231.10.762015-08-19 → 2016-07-21 · 4 obs
● 2015-08-19 21:06:46
● 2016-07-21 12:27:44
○ 2016-07-23 00:56:20
○ 2026-02-16 07:32:06
○A54.231.11.982015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2015-12-27 10:54:58
○ 2026-02-16 07:32:06
○A54.231.112.1062016-07-08 → 2016-07-08 · 4 obs
○ 2016-07-06 11:19:10
● 2016-07-08 00:39:18
○ 2016-07-09 02:50:16
○ 2026-02-16 07:32:06
○A54.231.112.582015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.113.2502016-07-09 → 2016-07-09 · 4 obs
○ 2016-07-08 00:39:18
● 2016-07-09 02:50:16
○ 2016-07-10 14:17:36
○ 2026-02-16 07:32:06
○A54.231.114.1932016-07-14 → 2016-07-14 · 4 obs
○ 2016-07-12 17:36:16
● 2016-07-14 08:31:04
○ 2016-07-16 00:37:38
○ 2026-02-16 07:32:06
○A54.231.114.2092016-07-10 → 2016-07-10 · 4 obs
○ 2016-07-09 02:50:16
● 2016-07-10 14:17:36
○ 2016-07-11 16:47:36
○ 2026-02-16 07:32:06
○A54.231.114.2252016-06-28 → 2016-07-04 · 7 obs
○ 2016-06-27 16:33:46
● 2016-06-28 22:02:44
○ 2016-06-30 00:34:36
○ 2016-07-03 15:25:56
● 2016-07-04 16:14:50
○ 2016-07-06 11:19:10
○ 2026-02-16 07:32:06
○A54.231.115.572016-06-22 → 2016-06-22 · 4 obs
○ 2015-12-27 10:54:58
● 2016-06-22 06:51:28
○ 2016-06-23 21:59:18
○ 2026-02-16 07:32:06
○A54.231.120.2092016-06-23 → 2016-06-23 · 4 obs
○ 2016-06-22 06:51:28
● 2016-06-23 21:59:18
○ 2016-06-24 22:33:32
○ 2026-02-16 07:32:06
○A54.231.120.332016-06-30 → 2016-06-30 · 4 obs
○ 2016-06-28 22:02:44
● 2016-06-30 00:34:36
○ 2016-07-01 21:52:52
○ 2026-02-16 07:32:06
○A54.231.13.1402016-07-25 → 2016-07-25 · 4 obs
○ 2016-07-24 06:29:58
● 2016-07-25 21:38:52
○ 2016-07-27 07:30:16
○ 2026-02-16 07:32:06
○A54.231.13.2282016-07-24 → 2016-07-24 · 4 obs
○ 2016-07-23 00:56:20
● 2016-07-24 06:29:58
○ 2016-07-25 21:38:52
○ 2026-02-16 07:32:06
●A54.231.137.1892026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
○A54.231.14.1242015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.14.1722016-07-23 → 2016-07-23 · 4 obs
○ 2016-07-21 12:27:44
● 2016-07-23 00:56:20
○ 2016-07-24 06:29:58
○ 2026-02-16 07:32:06
○A54.231.14.2282015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
●A54.231.140.1652026-02-16 → 2026-02-16 · 3 obs
○ 2016-08-09 10:49:24
● 2026-02-16 07:32:02
● 2026-02-16 07:32:06
○A54.231.165.2132026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.166.132026-02-16 → 2026-02-16 · 2 obs
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.17.1642015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.17.1802016-07-03 → 2016-07-03 · 4 obs
○ 2016-07-01 21:52:52
● 2016-07-03 15:25:56
○ 2016-07-04 16:14:50
○ 2026-02-16 07:32:06
○A54.231.17.202016-07-06 → 2016-07-06 · 4 obs
○ 2016-07-04 16:14:50
● 2016-07-06 11:19:10
○ 2016-07-08 00:39:18
○ 2026-02-16 07:32:06
○A54.231.40.172016-06-27 → 2016-06-27 · 4 obs
○ 2016-06-26 09:48:18
● 2016-06-27 16:33:46
○ 2016-06-28 22:02:44
○ 2026-02-16 07:32:06
○A54.231.41.252016-07-19 → 2016-07-29 · 7 obs
○ 2016-07-17 23:12:08
● 2016-07-19 16:23:02
○ 2016-07-21 12:27:44
○ 2016-07-28 14:41:52
● 2016-07-29 22:12:32
○ 2016-08-09 10:49:24
○ 2026-02-16 07:32:06
○A54.231.41.732016-07-17 → 2016-07-17 · 4 obs
○ 2016-07-16 00:37:38
● 2016-07-17 23:12:08
○ 2016-07-19 16:23:02
○ 2026-02-16 07:32:06
○A54.231.49.1772016-07-01 → 2016-07-01 · 4 obs
○ 2016-06-30 00:34:36
● 2016-07-01 21:52:52
○ 2016-07-03 15:25:56
○ 2026-02-16 07:32:06
○A54.231.49.2492016-06-24 → 2016-06-24 · 4 obs
○ 2016-06-23 21:59:18
● 2016-06-24 22:33:32
○ 2016-06-26 09:48:18
○ 2026-02-16 07:32:06
○A54.231.72.812016-07-28 → 2016-07-28 · 4 obs
○ 2016-07-27 07:30:16
● 2016-07-28 14:41:52
○ 2016-07-29 22:12:32
○ 2026-02-16 07:32:06
○A54.231.72.892016-07-11 → 2016-07-11 · 4 obs
○ 2016-07-10 14:17:36
● 2016-07-11 16:47:36
○ 2016-07-12 17:36:16
○ 2026-02-16 07:32:06
○A54.231.80.1222016-07-27 → 2016-07-27 · 4 obs
○ 2016-07-25 21:38:52
● 2016-07-27 07:30:16
○ 2016-07-28 14:41:52
○ 2026-02-16 07:32:06
○A54.231.81.2252016-07-16 → 2016-07-16 · 4 obs
○ 2016-07-14 08:31:04
● 2016-07-16 00:37:38
○ 2016-07-17 23:12:08
○ 2026-02-16 07:32:06
○A54.231.9.1562016-06-26 → 2016-06-26 · 4 obs
○ 2016-06-24 22:33:32
● 2016-06-26 09:48:18
○ 2016-06-27 16:33:46
○ 2026-02-16 07:32:06
○A54.231.98.1542016-08-09 → 2016-08-09 · 4 obs
○ 2016-07-29 22:12:32
● 2016-08-09 10:49:24
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.98.1942015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.98.662015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 21:06:46
○ 2026-02-16 07:32:02
○ 2026-02-16 07:32:06
○A54.231.98.902016-07-12 → 2016-07-12 · 4 obs
○ 2016-07-11 16:47:36
● 2016-07-12 17:36:16
○ 2016-07-14 08:31:04
○ 2026-02-16 07:32:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
crtdn.comns-56.awsdns-07.com, ns-940.awsdns-53.net, ns-1759.awsdns-27.co.uk, ns-1392.awsdns-46.org1 record

✅ Authoritative Response

Server: 205.251.192.56

NS records: ns-56.awsdns-07.com, ns-940.awsdns-53.net, ns-1759.awsdns-27.co.uk, ns-1392.awsdns-46.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crtdn.com (unsigned zone)

⏱️ Timing

Total: 455ms | Queries: -

📄 Records

TypeCountSample Data
A816.15.183.219, 16.182.37.37...
NS4ns-1392.awsdns-46.org, ns-1759.awsdns-27.co.uk...
MX5aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT3google-site-verification=QVDmizMNwEHwLkN, google-site-verification=vQ131foKJ-PiWxQ...
SOA1ns-940.awsdns-53.net awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-56.awsdns-07.com)

AI analysis

crtdn.com resolves to eight IP numbers: 16.15.181.194, 16.15.193.48, 16.15.223.190, 52.216.40.69, 52.217.173.173, 52.217.224.109, 54.231.137.189 and 54.231.140.165.

Other host names such as partsmaster.com, jacobgoell.com, jobhunt.org, hirefordwyer.com and brightpointforkids.org share IPs with crtdn.com.

crtdn.com is delegated to four name servers: ns-56.awsdns-07.com, ns-940.awsdns-53.net, ns-1392.awsdns-46.org and ns-1759.awsdns-27.co.uk.

crtdn.com at least partially shares name servers with other domains, for example zenopia.be, de.kespa.net, drillbuilders.com, admidadsp.com and tui-info.de.

These name servers are commonly used with ns-1031.awsdns-00.org and ns-976.awsdns-58.net and ns-750.awsdns-29.net.

Host names with two IP numbers:

ns-56.awsdns-07.com points to: 2600:9000:5300:3800::1 and 205.251.192.56

ns-940.awsdns-53.net points to: 2600:9000:5303:ac00::1 and 205.251.195.172

ns-1392.awsdns-46.org points to: 2600:9000:5305:7000::1 and 205.251.197.112

ns-1759.awsdns-27.co.uk points to: 2600:9000:5306:df00::1 and 205.251.198.223

crtdn.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

crtdn.com shares at least partially some mail servers with other domains, for instance orientalmotor.co.in, salaftube.com, ns500724.ns500724.ns500599.ns500599.ns500599.ns500737.ns500724.ns500599.ns500599.ns500724.ns500737.ns500737.ns500599.ns500737.ns500697.ns500599.ns500599.yummyflingsfinder.com, sgaformazione.it and ns500698.ns500758.ns500759.ns500735.ns500736.ns500735.ns500735.ns500698.ns500735.ns500698.ns500708.ns500576.ns500619.ns500576.ns500576.trackreceptor.com.

these mail servers are often used together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers

Host aspmx2.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

Host aspmx3.googlemail.com points to 2607:f8b0:4001:c70::1b and 192.178.209.26

Host aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26

Host alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27

Host alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27

Names pointing to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com