kristoffer.is - robtex.com

kristoffer.is

DNSSEC🔒 Signed (DS record present)
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
A76.76.21.142🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
A76.76.21.164🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NSmaxim.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cc6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
A2803:f800:50::6ca2:c3c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmaxim.ns.cloudflare.com
A2a06:98c1:50::ac40:23c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmaxim.ns.cloudflare.com
A108.162.195.198🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
A162.159.44.198Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
A172.64.35.198🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
NSrosalyn.ns.cloudflare.com
A2606:4700:50::a29f:263b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalyn.ns.cloudflare.com
A2803:f800:50::6ca2:c23b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrosalyn.ns.cloudflare.com
A2a06:98c1:50::ac40:223b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrosalyn.ns.cloudflare.com
A108.162.194.59🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalyn.ns.cloudflare.com
A162.159.38.59Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalyn.ns.cloudflare.com
A172.64.34.59🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosalyn.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
TXTv=spf1 include:spf.messagingengine.com -all
SOAmaxim.ns.cloudflare.comdns@cloudflare.com serial=2402607781

is

DNSSEC🔒 Signed (DS record present)
NSa.nic.is ⭐
NSc.nic.is
NSd.nic.is
NSe.nic.is
NSf.nic.is
SOAa.nic.ishostmaster@isnic.is serial=1778605802
🔒 HSTS Preload (+subdomains)

Same first word

kristoffer.nu
kristoffer.is
kristoffer.codes
kristoffer.dk

Similar names

fitforkers.com

DNS History

18 records (7 active, 11 former)

201820192020202120222023202420252026NSmaxim.ns.cloudflare.comrosalyn.ns.cloudflare.comdora.ns.cloudflare.comjosh.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA76.76.21.14276.76.21.16476.76.21.21104.28.12.7104.28.13.72400:cb00:2048:1::681c:c072400:cb00:2048:1::681c:d07
○NSdora.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○NSjosh.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
●NSmaxim.ns.cloudflare.com2026-05-06 → 2026-05-12 · 3 obs
○ 2017-03-16 16:26:06
● 2026-05-06 08:53:06
● 2026-05-12 17:27:42
●NSrosalyn.ns.cloudflare.com2026-05-06 → 2026-05-12 · 3 obs
○ 2017-03-16 16:26:06
● 2026-05-06 08:53:06
● 2026-05-12 17:27:42
○MXalt1.aspmx.l.google.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○MXalt2.aspmx.l.google.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○MXaspmx.l.google.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○MXaspmx2.googlemail.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○MXaspmx3.googlemail.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
●MXin1-smtp.messagingengine.com2026-05-06 → 2026-05-12 · 3 obs
○ 2017-03-16 16:26:06
● 2026-05-06 08:53:06
● 2026-05-12 17:27:42
●MXin2-smtp.messagingengine.com2026-05-06 → 2026-05-12 · 3 obs
○ 2017-03-16 16:26:06
● 2026-05-06 08:53:06
● 2026-05-12 17:27:42
○A104.28.12.72017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○A104.28.13.72017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○A2400:cb00:2048:1::681c:c072017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
○A2400:cb00:2048:1::681c:d072017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:26:06
○ 2026-05-06 08:53:06
○ 2026-05-12 17:27:42
●A76.76.21.1422026-05-06 → 2026-05-12 · 3 obs
○ 2017-03-16 16:26:06
● 2026-05-06 08:53:06
● 2026-05-12 17:27:42
●A76.76.21.1642026-05-06 → 2026-05-12 · 3 obs
○ 2017-03-16 16:26:06
● 2026-05-06 08:53:06
● 2026-05-12 17:27:42
●A76.76.21.212026-05-06 → 2026-05-12 · 3 obs
○ 2017-03-16 16:26:06
● 2026-05-06 08:53:06
● 2026-05-12 17:27:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
isa.nic.is, c.nic.is, d.nic.is, e.nic.is...10 records
kristoffer.ismaxim.ns.cloudflare.com, rosalyn.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.198

NS records: maxim.ns.cloudflare.com, rosalyn.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 880ms | Queries: -

📄 Records

TypeCountSample Data
A376.76.21.21, 76.76.21.142...
NS2maxim.ns.cloudflare.com, rosalyn.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com -
SOA1maxim.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.nic.is, c.nic.is, d.nic.is...)

Analysis

IP Addresses

kristoffer.is points to three IPs: 76.76.21.21, 76.76.21.142 and 76.76.21.164.

Other host names such as alfagolfgolfindia.com, spadreams.pl, funvillearabia.com, izem.me and vdmotor.se share IPs with kristoffer.is.

Name Servers

Two name servers maxim.ns.cloudflare.com and rosalyn.ns.cloudflare.com handle the delegation for kristoffer.is.

kristoffer.is shares the same name server setup as other domains, for example blacktoprider.com, figuresandcards.com, vinylgroovestore.com, seafishingtools.com and huntgeardirect.com.

kristoffer.is at least partially shares name servers with other domains, for example supersite.fi, portalchave.com, always-dependable.com, zjyxjxsb.com and luros.org.

These name servers are often used together with melinda.ns.cloudflare.com and aron.ns.cloudflare.com.

Host names with six IP numbers:

maxim.ns.cloudflare.com points to 2606:4700:58::a29f:2cc6, 2803:f800:50::6ca2:c3c6, 2a06:98c1:50::ac40:23c6, 108.162.195.198, 162.159.44.198 and 172.64.35.198.

rosalyn.ns.cloudflare.com points to 2606:4700:50::a29f:263b, 2803:f800:50::6ca2:c23b, 2a06:98c1:50::ac40:223b, 108.162.194.59, 162.159.38.59 and 172.64.34.59.

Mail Servers

Two mail servers handle kristoffer.is: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

kristoffer.is shares the same mail server setup as other domains, including mail.joscastles.com, nzperformance.co.nz, kvl.me, jeo.org.uk and dc-d024a8dbfee2.schwarzis.net.

kristoffer.is shares at least some mail servers with other domains, for example streamhavenhd.com and meitham.com.

Eight IP numbers for host names:

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.

Four IP numbers for host names:

in2-smtp.messagingengine.com points to 202.12.124.216, 202.12.124.217, 202.12.124.218 and undefined.