maersktankers.dk

Records from scan: 2026-09-30 03:24:03 · 1754ms total · last checked 2026-10-17 03:42 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

maersktankers.dk is a .dk domain served by 3 nameservers (nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 152.89.172.56 is hosted by Nameshield SAS (AS209510) in France. Mail is handled by maersktankers-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
nsa.perf1.fr	2a01:c8:100::100 81.92.94.100	nsa.perf1.fr nsa.perf1.fr	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsb.perf1.com	2a01:c8:101::100 81.92.95.100	nsb.perf1.com nsb.perf1.com	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsc.perf1.com	152.89.172.100 2a09:35c0:102::100	nsc.perf1.com nsc.perf1.com	AS209510 Nameshield SAS AS209510 Nameshield SAS

🌍 A Records#

3 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
152.89.172.56	43200s	cdn.perf1.com	AS209510	Nameshield SAS	152.89.172.0/22	🇫🇷 France	—
81.92.94.54	43200s	cdn.perf1.com	AS20756	Nameshield SAS	81.92.80.0/20	🇫🇷 France	Angers
81.92.95.55	43200s	cdn.perf1.com	AS20756	Nameshield SAS	81.92.80.0/20	🇫🇷 France	Angers

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	maersktankers-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::20 2a01:111:f403:ca21::a 2a01:111:f403:ca48::10 52.101.68.29 52.101.73.120 52.101.73.155 52.101.91.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

3 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:c8:100::54	43200s	cdn.perf1.com	AS20756	Nameshield SAS	2a01:c8:0:0:0:0:0:0/32	🇫🇷 France	—
2a01:c8:101::55	43200s	cdn.perf1.com	AS20756	Nameshield SAS	2a01:c8:0:0:0:0:0:0/32	🇫🇷 France	—
2a09:35c0:102::56	43200s	cdn.perf1.com	AS209510	Nameshield SAS	2a09:35c0:100:0:0:0:0:0/40	🇫🇷 France	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 87ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 239ms

TXT Record
MS=ms71856728
v=spf1 ip4:213.214.133.163 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (maersktankers.dk)
-all (hard fail)	v=spf1 ip4:213.214.133.163 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.maersktankers.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:Malicious@maersktankers.com; rua=mailto:Malicious@maersktankers.com; pct=100

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-11 18:05:12

www CNAME	saspresence.perf1.com (all on perf1.com) → 185.65.58.55 81.92.91.56 (AS20756)
www vs bare domain	Same network maersktankers.dk: 152.89.172.56 81.92.94.54 81.92.95.55 2a01:c8:100::54 (AS20756 AS209510) www.maersktankers.dk: 185.65.58.55 81.92.91.56 (AS20756)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-maersktankers-dk._domainkey.maersktankers.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-maersktankers-dk._domainkey.maersktankers.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

100ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026051812
Primary NS (MNAME)	nsa.perf1.fr
Responsible (RNAME)	technical@nameshield.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

54ms

53ms

51ms

AAAA

47ms

TXT

239ms

CAA

58ms

HTTPS

48ms

TLSA

429ms

SOA

0ms

MTA-STS

75ms

DNSSEC

100ms

SRV

87ms

Total

1754ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 03:24:03 shown	1754ms	3 NS 3 A 1 MX	🔓 Insecure
2026-09-04 08:16:01	981ms	3 NS 3 A 1 MX	🔓 Insecure
2026-08-26 20:34:49	1421ms	3 NS 3 A 1 MX	🔓 Insecure
2026-06-19 22:54:44	841ms	3 NS 3 A 1 MX	🔓 Insecure
2026-06-18 06:55:39	1297ms	3 NS 3 A 1 MX	🔓 Insecure