directebanking.sk - dns.ninja

directebanking.sk

DNSSEC⚠️ Not signed
A18.200.36.58🇮🇪 Amazon18.200.0.0/16 EC2 DUB prefix
PTRec2-18-200-36-58.eu-west-1.compute.amazonaws.com
A34.254.145.220🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix
A52.19.105.213🇮🇪 Amazon52.18.0.0/15 EC2 DUB prefix
NSns-376.awsdns-47.com ⭐
A2600:9000:5301:7800::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-376.awsdns-47.com
A205.251.193.120🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-376.awsdns-47.com
NSns-1516.awsdns-61.org
A2600:9000:5305:ec00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1516.awsdns-61.org
A205.251.197.236🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1516.awsdns-61.org
NSns-1560.awsdns-03.co.uk
A2600:9000:5306:1800::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1560.awsdns-03.co.uk
A205.251.198.24🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1560.awsdns-03.co.uk
NSns-731.awsdns-27.net
A2600:9000:5302:db00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-731.awsdns-27.net
A205.251.194.219🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-731.awsdns-27.net
MXmxz1.klarna.com ⭐
A52.30.236.203🇮🇪 Amazon52.30.0.0/15 EC2 DUB prefix
PTRec2-52-30-236-203.eu-west-1.compute.amazonaws.com
MXmxz2.klarna.com ⭐
A54.73.174.245🇮🇪 Amazon54.73.0.0/16 EC2 DUB prefix
PTRec2-54-73-174-245.eu-west-1.compute.amazonaws.com
MXmxz3.klarna.com ⭐
A3.73.181.240🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix
PTRec2-3-73-181-240.eu-central-1.compute.amazonaws.com
TXTv=spf1 include:klarna.com -all
SOAns-376.awsdns-47.comawsdns-hostmaster@amazon.com serial=1

sk

DNSSEC🔒 Signed (DS record present)
NSm.tld.sk ⭐
NSe.tld.sk
NSf.tld.sk
NSg.tld.sk
NSh.tld.sk
SOAm.tld.skhostmaster@sk-nic.sk serial=2018600310

Same first word

directebanking.nl
directebanking.ro
directebanking.at
directebanking.pl
directebanking.co.uk
directebanking.ru
directebanking.net
directebanking.it
directebanking.gr
directebanking.es
directebanking.de
directebanking.se
directebanking.sk
directebanking.ch
directebanking.dk
directebanking.be
directebanking.in
directebanking.si
directebanking.com
directebanking.fr
directebanking.mobi
directebanking.eu
directebanking.hu
directebanking.us
directebanking.cz

DNS History

72 records (10 active, 62 former)

20162017201820192020202120222023202420252026NSns-1516.awsdns-61.orgns-1560.awsdns-03.co.ukns-376.awsdns-47.comns-731.awsdns-27.netns.udag.dens.udag.netns.udag.orgMXmxz1.klarna.commxz2.klarna.commxz3.klarna.commx00.udag.demx01.udag.deA18.200.36.5834.254.145.22052.19.105.213108.128.192.13108.128.228.155108.129.49.80108.132.131.240108.132.220.19718.200.205.7518.200.64.1213.248.113.2273.248.79.14934.240.219.24634.242.146.17334.242.36.9734.251.251.20934.251.96.4234.253.12.17534.253.151.734.255.169.19034.255.228.17446.137.167.14346.137.76.2652.16.49.11552.19.166.3052.19.248.24052.208.181.12652.208.181.4552.208.218.14452.208.243.11852.209.160.9052.211.135.12052.211.169.4352.211.251.20052.213.101.23252.213.99.2552.214.59.13152.215.79.9252.30.123.6352.31.21.15252.31.3.14552.48.131.12352.49.250.18354.171.244.12954.194.90.654.216.182.4054.217.137.14154.228.234.22054.228.50.3354.246.17.25454.72.1.19954.76.50.1054.78.220.13463.33.12.7863.33.228.5863.34.155.18763.34.66.16463.35.59.3989.31.143.1489.31.143.16
●NSns-1516.awsdns-61.org2026-02-24 → 2026-08-12 · 3 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-08-12 10:33:32
●NSns-1560.awsdns-03.co.uk2026-02-24 → 2026-08-12 · 3 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-08-12 10:33:32
●NSns-376.awsdns-47.com2026-02-24 → 2026-08-12 · 3 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-08-12 10:33:32
●NSns-731.awsdns-27.net2026-02-24 → 2026-08-12 · 3 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-08-12 10:33:32
○NSns.udag.de2015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 22:22:34
● 2017-04-24 14:24:36
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
○NSns.udag.net2015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 22:22:34
● 2017-04-24 14:24:36
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
○NSns.udag.org2015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 22:22:34
● 2017-04-24 14:24:36
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
○MXmx00.udag.de2015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 22:22:34
● 2017-04-24 14:24:36
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
○MXmx01.udag.de2015-08-22 → 2017-04-24 · 4 obs
● 2015-08-22 22:22:34
● 2017-04-24 14:24:36
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
●MXmxz1.klarna.com2026-02-24 → 2026-08-12 · 3 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-08-12 10:33:32
●MXmxz2.klarna.com2026-02-24 → 2026-08-12 · 3 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-08-12 10:33:32
●MXmxz3.klarna.com2026-02-24 → 2026-08-12 · 3 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-08-12 10:33:32
○A108.128.192.132026-04-24 → 2026-04-24 · 5 obs
○ 2026-04-09 01:29:14
● 2026-04-24 02:51:50
● 2026-04-24 05:44:48
○ 2026-04-26 02:08:52
○ 2026-08-12 10:33:32
○A108.128.228.1552026-02-24 → 2026-08-12 · 2 obs
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
○A108.129.49.802026-05-01 → 2026-05-01 · 5 obs
○ 2026-04-28 04:14:18
● 2026-05-01 11:08:04
● 2026-05-01 22:08:46
○ 2026-05-03 19:37:34
○ 2026-08-12 10:33:32
○A108.132.131.2402026-05-22 → 2026-05-26 · 5 obs
○ 2026-05-17 20:02:18
● 2026-05-22 15:34:58
● 2026-05-26 05:23:12
○ 2026-06-08 16:59:46
○ 2026-08-12 10:33:32
○A108.132.220.1972026-06-28 → 2026-06-28 · 4 obs
○ 2026-06-17 21:40:14
● 2026-06-28 19:09:00
○ 2026-07-02 05:35:48
○ 2026-08-12 10:33:32
○A18.200.205.752026-03-06 → 2026-03-06 · 5 obs
○ 2026-02-25 15:52:58
● 2026-03-06 00:18:48
● 2026-03-06 20:37:34
○ 2026-03-17 14:43:56
○ 2026-08-12 10:33:32
●A18.200.36.582026-08-05 → 2026-08-12 · 3 obs
○ 2026-07-19 20:27:00
● 2026-08-05 22:53:18
● 2026-08-12 10:33:32
○A18.200.64.1212026-03-17 → 2026-03-23 · 5 obs
○ 2026-03-06 20:37:34
● 2026-03-17 14:43:56
● 2026-03-23 23:52:10
○ 2026-04-05 20:55:50
○ 2026-08-12 10:33:32
○A3.248.113.2272026-07-19 → 2026-07-19 · 4 obs
○ 2026-07-02 05:35:48
● 2026-07-19 20:27:00
○ 2026-08-05 22:53:18
○ 2026-08-12 10:33:32
○A3.248.79.1492026-08-05 → 2026-08-05 · 4 obs
○ 2026-07-19 20:27:00
● 2026-08-05 22:53:18
○ 2026-08-07 16:06:40
○ 2026-08-12 10:33:32
○A34.240.219.2462026-05-09 → 2026-05-11 · 5 obs
○ 2026-05-04 00:26:00
● 2026-05-09 22:44:20
● 2026-05-11 18:03:26
○ 2026-05-14 13:21:30
○ 2026-08-12 10:33:32
○A34.242.146.1732026-06-12 → 2026-06-17 · 5 obs
○ 2026-06-10 19:57:26
● 2026-06-12 07:30:10
● 2026-06-17 21:40:14
○ 2026-06-28 19:09:00
○ 2026-08-12 10:33:32
○A34.242.36.972026-04-28 → 2026-04-28 · 4 obs
○ 2026-04-26 12:39:34
● 2026-04-28 04:14:18
○ 2026-05-01 11:08:04
○ 2026-08-12 10:33:32
○A34.251.251.2092026-07-19 → 2026-07-19 · 4 obs
○ 2026-07-02 05:35:48
● 2026-07-19 20:27:00
○ 2026-08-05 22:53:18
○ 2026-08-12 10:33:32
○A34.251.96.422026-07-19 → 2026-07-19 · 4 obs
○ 2026-07-02 05:35:48
● 2026-07-19 20:27:00
○ 2026-08-05 22:53:18
○ 2026-08-12 10:33:32
○A34.253.12.1752026-04-28 → 2026-04-28 · 4 obs
○ 2026-04-26 12:39:34
● 2026-04-28 04:14:18
○ 2026-05-01 11:08:04
○ 2026-08-12 10:33:32
○A34.253.151.72026-02-24 → 2026-02-25 · 5 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-02-25 15:52:58
○ 2026-03-06 00:18:48
○ 2026-08-12 10:33:32
●A34.254.145.2202026-08-07 → 2026-08-12 · 3 obs
○ 2026-08-05 22:53:18
● 2026-08-07 16:06:40
● 2026-08-12 10:33:32
○A34.255.169.1902026-06-28 → 2026-06-28 · 4 obs
○ 2026-06-17 21:40:14
● 2026-06-28 19:09:00
○ 2026-07-02 05:35:48
○ 2026-08-12 10:33:32
○A34.255.228.1742026-05-03 → 2026-05-09 · 5 obs
○ 2026-05-01 22:08:46
● 2026-05-03 19:37:34
● 2026-05-09 22:44:20
○ 2026-05-11 18:03:26
○ 2026-08-12 10:33:32
○A46.137.167.1432026-05-01 → 2026-05-01 · 5 obs
○ 2026-04-28 04:14:18
● 2026-05-01 11:08:04
● 2026-05-01 22:08:46
○ 2026-05-03 19:37:34
○ 2026-08-12 10:33:32
○A46.137.76.262026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-06 20:37:34
● 2026-03-17 14:43:56
○ 2026-03-23 23:52:10
○ 2026-08-12 10:33:32
○A52.16.49.1152026-05-22 → 2026-05-26 · 5 obs
○ 2026-05-17 20:02:18
● 2026-05-22 15:34:58
● 2026-05-26 05:23:12
○ 2026-06-08 16:59:46
○ 2026-08-12 10:33:32
●A52.19.105.2132026-08-05 → 2026-08-12 · 3 obs
○ 2026-07-19 20:27:00
● 2026-08-05 22:53:18
● 2026-08-12 10:33:32
○A52.19.166.302026-05-03 → 2026-05-04 · 5 obs
○ 2026-05-01 22:08:46
● 2026-05-03 19:37:34
● 2026-05-04 00:26:00
○ 2026-05-09 22:44:20
○ 2026-08-12 10:33:32
○A52.19.248.2402026-04-08 → 2026-04-09 · 5 obs
○ 2026-04-05 20:55:50
● 2026-04-08 09:07:42
● 2026-04-09 01:29:14
○ 2026-04-24 02:51:50
○ 2026-08-12 10:33:32
○A52.208.181.1262026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-28 19:09:00
● 2026-07-02 05:35:48
○ 2026-07-19 20:27:00
○ 2026-08-12 10:33:32
○A52.208.181.452026-06-10 → 2026-06-17 · 5 obs
○ 2026-06-08 16:59:46
● 2026-06-10 19:57:26
● 2026-06-17 21:40:14
○ 2026-06-28 19:09:00
○ 2026-08-12 10:33:32
○A52.208.218.1442026-03-23 → 2026-04-05 · 5 obs
○ 2026-03-17 14:43:56
● 2026-03-23 23:52:10
● 2026-04-05 20:55:50
○ 2026-04-08 09:07:42
○ 2026-08-12 10:33:32
○A52.208.243.1182026-04-28 → 2026-04-28 · 4 obs
○ 2026-04-26 12:39:34
● 2026-04-28 04:14:18
○ 2026-05-01 11:08:04
○ 2026-08-12 10:33:32
○A52.209.160.902026-02-24 → 2026-03-06 · 5 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
● 2026-03-06 20:37:34
○ 2026-03-17 14:43:56
○ 2026-08-12 10:33:32
○A52.211.135.1202026-05-14 → 2026-05-17 · 5 obs
○ 2026-05-11 18:03:26
● 2026-05-14 13:21:30
● 2026-05-17 20:02:18
○ 2026-05-22 15:34:58
○ 2026-08-12 10:33:32
○A52.211.169.432026-03-23 → 2026-04-05 · 5 obs
○ 2026-03-17 14:43:56
● 2026-03-23 23:52:10
● 2026-04-05 20:55:50
○ 2026-04-08 09:07:42
○ 2026-08-12 10:33:32
○A52.211.251.2002026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-28 19:09:00
● 2026-07-02 05:35:48
○ 2026-07-19 20:27:00
○ 2026-08-12 10:33:32
○A52.213.101.2322026-05-11 → 2026-05-17 · 5 obs
○ 2026-05-09 22:44:20
● 2026-05-11 18:03:26
● 2026-05-17 20:02:18
○ 2026-05-22 15:34:58
○ 2026-08-12 10:33:32
○A52.213.99.252026-06-16 → 2026-06-17 · 5 obs
○ 2026-06-15 03:50:52
● 2026-06-16 03:53:20
● 2026-06-17 21:40:14
○ 2026-06-28 19:09:00
○ 2026-08-12 10:33:32
○A52.214.59.1312026-05-14 → 2026-05-15 · 5 obs
○ 2026-05-11 18:03:26
● 2026-05-14 13:21:30
● 2026-05-15 05:44:18
○ 2026-05-17 20:02:18
○ 2026-08-12 10:33:32
○A52.215.79.922026-06-08 → 2026-06-15 · 5 obs
○ 2026-05-26 05:23:12
● 2026-06-08 16:59:46
● 2026-06-15 03:50:52
○ 2026-06-16 03:53:20
○ 2026-08-12 10:33:32
○A52.30.123.632026-06-28 → 2026-06-28 · 4 obs
○ 2026-06-17 21:40:14
● 2026-06-28 19:09:00
○ 2026-07-02 05:35:48
○ 2026-08-12 10:33:32
○A52.31.21.1522026-04-08 → 2026-04-09 · 5 obs
○ 2026-04-05 20:55:50
● 2026-04-08 09:07:42
● 2026-04-09 01:29:14
○ 2026-04-24 02:51:50
○ 2026-08-12 10:33:32
○A52.31.3.1452026-04-26 → 2026-04-26 · 5 obs
○ 2026-04-24 05:44:48
● 2026-04-26 02:08:52
● 2026-04-26 12:39:34
○ 2026-04-28 04:14:18
○ 2026-08-12 10:33:32
○A52.48.131.1232026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-28 19:09:00
● 2026-07-02 05:35:48
○ 2026-07-19 20:27:00
○ 2026-08-12 10:33:32
○A52.49.250.1832026-02-25 → 2026-02-25 · 4 obs
○ 2026-02-24 01:10:04
● 2026-02-25 15:52:58
○ 2026-03-06 00:18:48
○ 2026-08-12 10:33:32
○A54.171.244.1292026-06-08 → 2026-06-08 · 4 obs
○ 2026-05-26 05:23:12
● 2026-06-08 16:59:46
○ 2026-06-10 19:57:26
○ 2026-08-12 10:33:32
○A54.194.90.62026-04-24 → 2026-04-26 · 5 obs
○ 2026-04-09 01:29:14
● 2026-04-24 02:51:50
● 2026-04-26 12:39:34
○ 2026-04-28 04:14:18
○ 2026-08-12 10:33:32
○A54.216.182.402026-06-08 → 2026-06-10 · 5 obs
○ 2026-05-26 05:23:12
● 2026-06-08 16:59:46
● 2026-06-10 19:57:26
○ 2026-06-12 07:30:10
○ 2026-08-12 10:33:32
○A54.217.137.1412026-04-05 → 2026-04-05 · 4 obs
○ 2026-03-23 23:52:10
● 2026-04-05 20:55:50
○ 2026-04-08 09:07:42
○ 2026-08-12 10:33:32
○A54.228.234.2202026-05-17 → 2026-05-26 · 5 obs
○ 2026-05-15 05:44:18
● 2026-05-17 20:02:18
● 2026-05-26 05:23:12
○ 2026-06-08 16:59:46
○ 2026-08-12 10:33:32
○A54.228.50.332026-05-01 → 2026-05-01 · 5 obs
○ 2026-04-28 04:14:18
● 2026-05-01 11:08:04
● 2026-05-01 22:08:46
○ 2026-05-03 19:37:34
○ 2026-08-12 10:33:32
○A54.246.17.2542026-04-08 → 2026-04-09 · 5 obs
○ 2026-04-05 20:55:50
● 2026-04-08 09:07:42
● 2026-04-09 01:29:14
○ 2026-04-24 02:51:50
○ 2026-08-12 10:33:32
○A54.72.1.1992026-05-03 → 2026-05-04 · 5 obs
○ 2026-05-01 22:08:46
● 2026-05-03 19:37:34
● 2026-05-04 00:26:00
○ 2026-05-09 22:44:20
○ 2026-08-12 10:33:32
○A54.76.50.102026-02-24 → 2026-02-24 · 4 obs
○ 2017-04-24 14:24:36
● 2026-02-24 01:10:04
○ 2026-02-25 15:52:58
○ 2026-08-12 10:33:32
○A54.78.220.1342026-04-24 → 2026-04-26 · 5 obs
○ 2026-04-09 01:29:14
● 2026-04-24 02:51:50
● 2026-04-26 12:39:34
○ 2026-04-28 04:14:18
○ 2026-08-12 10:33:32
○A63.33.12.782026-03-06 → 2026-03-06 · 5 obs
○ 2026-02-25 15:52:58
● 2026-03-06 00:18:48
● 2026-03-06 20:37:34
○ 2026-03-17 14:43:56
○ 2026-08-12 10:33:32
○A63.33.228.582026-02-24 → 2026-08-12 · 2 obs
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
○A63.34.155.1872026-02-24 → 2026-08-12 · 2 obs
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32
○A63.34.66.1642026-05-09 → 2026-05-11 · 5 obs
○ 2026-05-04 00:26:00
● 2026-05-09 22:44:20
● 2026-05-11 18:03:26
○ 2026-05-14 13:21:30
○ 2026-08-12 10:33:32
○A63.35.59.392026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-06 20:37:34
● 2026-03-17 14:43:56
○ 2026-03-23 23:52:10
○ 2026-08-12 10:33:32
○A89.31.143.142015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 22:22:34
○ 2015-12-11 18:04:14
○ 2026-08-12 10:33:32
○A89.31.143.162015-12-11 → 2017-04-24 · 5 obs
○ 2015-08-22 22:22:34
● 2015-12-11 18:04:14
● 2017-04-24 14:24:36
○ 2026-02-24 01:10:04
○ 2026-08-12 10:33:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ske.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk-
directebanking.skns-731.awsdns-27.net, ns-1560.awsdns-03.co.uk, ns-1516.awsdns-61.org, ns-376.awsdns-47.com-

✅ Authoritative Response

Server:205.251.194.219

NS records: ns-731.awsdns-27.net, ns-1560.awsdns-03.co.uk, ns-1516.awsdns-61.org, ns-376.awsdns-47.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for directebanking.sk (unsigned zone)

⏱️ Timing

Total: 529ms | Queries: -

📄 Records

TypeCountSample Data
A352.19.105.213, 18.200.36.58...
NS4ns-1516.awsdns-61.org, ns-1560.awsdns-03.co.uk...
MX3mxz1.klarna.com (pri: 10), mxz2.klarna.com (pri: 10)...
TXT1v=spf1 include:klarna.com -all
SOA1ns-376.awsdns-47.com awsdns-hostmaster.a

Analysis

IP Addresses

directebanking.sk directs to three IP numbers: 18.200.36.58, 34.254.145.220 and 52.19.105.213.

Among the host names that share IP numbers with directebanking.sk are directebanking.net, inspiroc.com, smooothshopping.uk and two others.

Name Servers

The domain directebanking.sk is delegated to these four name servers: ns-376.awsdns-47.com, ns-731.awsdns-27.net, ns-1516.awsdns-61.org and ns-1560.awsdns-03.co.uk.

There is at least partial name server overlap between directebanking.sk and other domains — nexocams.com, stg.rings.solutions, newavenuesonline.com and two more among them.

The name servers ns-751.awsdns-29.net, ns-1291.awsdns-33.org and ns-1833.awsdns-37.co.uk are often found in combination with these name servers.

All four hostnames — ns-376.awsdns-47.com, ns-731.awsdns-27.net, ns-1516.awsdns-61.org and ns-1560.awsdns-03.co.uk — resolve to two IP numbers apiece: ns-376.awsdns-47.com to 205.251.193.120 and 2600:9000:5301:7800::1; ns-731.awsdns-27.net to 205.251.194.219 and 2600:9000:5302:db00::1; ns-1516.awsdns-61.org to 205.251.197.236 and 2600:9000:5305:ec00::1; ns-1560.awsdns-03.co.uk to 205.251.198.24 and 2600:9000:5306:1800::1.

Mail Servers

Incoming mail for directebanking.sk is delivered via three mail servers: mxz1.klarna.com, mxz2.klarna.com and mxz3.klarna.com.

directebanking.sk shares at least some of its mail servers with other domains — for example billpay.com.hk, klarnacards.com, the-pink-standard.se and two more.

These mail servers are routinely found in combination with the mail servers mxz4.klarna.com, mxz5.klarna.com and mxz6.klarna.com.

mxz1.klarna.com points to 52.30.236.203; mxz2.klarna.com points to 54.73.174.245; mxz3.klarna.com points to 3.73.181.240 — each hostname maps to exactly one IP address.