calcnow.co - robtex.com

calcnow.co

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:2790🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:aacd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.39.144Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.205🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanuj.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b41🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A2803:f800:50::6ca2:c141🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanuj.ns.cloudflare.com
A2a06:98c1:50::ac40:2141🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanuj.ns.cloudflare.com
A108.162.193.65🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A172.64.33.65🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A173.245.59.65🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
NSelisa.ns.cloudflare.com
A2606:4700:50::a29f:2636🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A2803:f800:50::6ca2:c236🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2236🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelisa.ns.cloudflare.com
A108.162.194.54🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A162.159.38.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A172.64.34.54🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTgoogle-site-verification=klXHKMEEAgusg1GiENUZ8yZL889nZ8jKcg-S9D2qpN8
TXTv=spf1 include:spf.messagingengine.com ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.39.144, 172.67.170.205
IPv6 hints2606:4700:3037::6815:2790, 2606:4700:3037::ac43:aacd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOAanuj.ns.cloudflare.comdns@cloudflare.com serial=2402561935

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759656005

Same first word

calcnow.co

Similar names

clawcon.com
wccloan.com

DNS History

12 records (8 active, 4 former)

NSanuj.ns.cloudflare.comelisa.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA104.21.39.144172.67.170.2052606:4700:3037::6815:27902606:4700:3037::ac43:aacd188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSanuj.ns.cloudflare.com2026-02-15 → 2026-05-12 · 2 obs
● 2026-02-15 00:46:06
● 2026-05-12 06:51:18
●NSelisa.ns.cloudflare.com2026-02-15 → 2026-05-12 · 2 obs
● 2026-02-15 00:46:06
● 2026-05-12 06:51:18
●MXin1-smtp.messagingengine.com2026-02-15 → 2026-05-12 · 2 obs
● 2026-02-15 00:46:06
● 2026-05-12 06:51:18
●MXin2-smtp.messagingengine.com2026-02-15 → 2026-05-12 · 2 obs
● 2026-02-15 00:46:06
● 2026-05-12 06:51:18
●A104.21.39.1442026-02-15 → 2026-05-12 · 7 obs
● 2026-02-15 00:46:06
○ 2026-03-03 05:38:22
● 2026-03-04 15:54:48
● 2026-03-16 04:17:00
○ 2026-03-17 13:26:40
● 2026-03-20 10:50:46
● 2026-05-12 06:51:18
●A172.67.170.2052026-02-15 → 2026-05-12 · 7 obs
● 2026-02-15 00:46:06
○ 2026-03-03 05:38:22
● 2026-03-04 15:54:48
● 2026-03-16 04:17:00
○ 2026-03-17 13:26:40
● 2026-03-20 10:50:46
● 2026-05-12 06:51:18
○A188.114.96.02026-03-03 → 2026-03-17 · 7 obs
○ 2026-02-15 00:46:06
● 2026-03-03 05:38:22
○ 2026-03-04 15:54:48
○ 2026-03-16 04:17:00
● 2026-03-17 13:26:40
○ 2026-03-20 10:50:46
○ 2026-05-12 06:51:18
○A188.114.97.02026-03-03 → 2026-03-17 · 7 obs
○ 2026-02-15 00:46:06
● 2026-03-03 05:38:22
○ 2026-03-04 15:54:48
○ 2026-03-16 04:17:00
● 2026-03-17 13:26:40
○ 2026-03-20 10:50:46
○ 2026-05-12 06:51:18
●A2606:4700:3037::6815:27902026-02-15 → 2026-05-12 · 7 obs
● 2026-02-15 00:46:06
○ 2026-03-03 05:38:22
● 2026-03-04 15:54:48
● 2026-03-16 04:17:00
○ 2026-03-17 13:26:40
● 2026-03-20 10:50:46
● 2026-05-12 06:51:18
●A2606:4700:3037::ac43:aacd2026-02-15 → 2026-05-12 · 7 obs
● 2026-02-15 00:46:06
○ 2026-03-03 05:38:22
● 2026-03-04 15:54:48
● 2026-03-16 04:17:00
○ 2026-03-17 13:26:40
● 2026-03-20 10:50:46
● 2026-05-12 06:51:18
○A2a06:98c1:3120::2026-03-03 → 2026-03-17 · 7 obs
○ 2026-02-15 00:46:06
● 2026-03-03 05:38:22
○ 2026-03-04 15:54:48
○ 2026-03-16 04:17:00
● 2026-03-17 13:26:40
○ 2026-03-20 10:50:46
○ 2026-05-12 06:51:18
○A2a06:98c1:3121::2026-03-03 → 2026-03-17 · 7 obs
○ 2026-02-15 00:46:06
● 2026-03-03 05:38:22
○ 2026-03-04 15:54:48
○ 2026-03-16 04:17:00
● 2026-03-17 13:26:40
○ 2026-03-20 10:50:46
○ 2026-05-12 06:51:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coc.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co-
calcnow.coanuj.ns.cloudflare.com, elisa.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.54

NS records: anuj.ns.cloudflare.com, elisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calcnow.co (unsigned zone)

⏱️ Timing

Total: 1022ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.170.205, 104.21.39.144
AAAA22606:4700:3037::ac43:aacd, 2606:4700:3037::6815:2790
NS2anuj.ns.cloudflare.com, elisa.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT2google-site-verification=klXHKMEEAgusg1G, v=spf1 include:spf.messagingengine.com ?
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1anuj.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

calcnow.co points to four IP numbers: 2606:4700:3037::6815:2790, 2606:4700:3037::ac43:aacd, 104.21.39.144 and 172.67.170.205.

Other host names, for instance foreverlifemax.com, milen.info, dsugys.com, oxisul.com.br and xesa.cn share IP numbers with calcnow.co.

Name Servers

Delegation for calcnow.co rests with two name servers, anuj.ns.cloudflare.com and elisa.ns.cloudflare.com.

calcnow.co uses the same name server setup as other domains, such as insomniacreations.com, nha-ban.com, projectintroversion.com and byflowers.by.

calcnow.co at least partially shares name servers with other domains, for instance iphone-accessoires.eu, populartire.com, tiemacm.com, estikana.com and kol.is.

These name servers are often used together with max.ns.cloudflare.com, lina.ns.cloudflare.com, maria.ns.cloudflare.com, hope.ns.cloudflare.com and lucy.ns.cloudflare.com.

Host names with six IP numbers: anuj.ns.cloudflare.com points to: 2606:4700:58::adf5:3b41, 2803:f800:50::6ca2:c141, 2a06:98c1:50::ac40:2141, 108.162.193.65, 172.64.33.65 and 173.245.59.65. elisa.ns.cloudflare.com points to: 2606:4700:50::a29f:2636, 2803:f800:50::6ca2:c236, 2a06:98c1:50::ac40:2236, 108.162.194.54, 162.159.38.54 and 172.64.34.54.

Mail Servers

calcnow.co is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

calcnow.co uses the same mail server configuration as other domains, such as mediabase.at, uzar.nl, parkar.net, reacharea.com and meta-net.org.

calcnow.co shares at least some mail servers with other domains, for instance kortar.org, doublehack.org, drinkwellsystems.com and firefly.nu.

Host names with eight IP numbers: The host name in1-smtp.messagingengine.com points to: 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Host names with four IP numbers: The host name in2-smtp.messagingengine.com points to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.