americanexpress.dk

📜 Historical scan 2026-06-16 13:26:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

americanexpress.dk is a .dk domain served by 6 nameservers (a1-196.akam.net, a13-65.akam.net, a22-66.akam.net and 3 more). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 148.173.91.85 is hosted by American Express Company (AS6307) in United States. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

6 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
a1-196.akam.net	—	—	—
a13-65.akam.net	—	—	—
a22-66.akam.net	—	—	—
a24-67.akam.net	—	—	—
a8-64.akam.net	—	—	—
a9-65.akam.net	—	—	—

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
148.173.91.85	—	dealcenter.americanexpress.com	AS6307	American Express Company	148.173.88.0/22	🇺🇸 United States	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 155ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (americanexpress.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.americanexpress.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

📬 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#

latest probe, not this scan · checked 2026-10-11 02:31:38

www	148.173.91.85 (AS6307) (address records, no CNAME)
www vs bare domain	Same network americanexpress.dk: 148.173.91.85 (AS6307) www.americanexpress.dk: 148.173.91.85 (AS6307)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

40ms

Field	Value
Serial	971
Primary NS (MNAME)	a1-196.akam.net
Responsible (RNAME)	dns@aexp.com
Refresh	3600s
Retry	900s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 21:17:43

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1998-02-16
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

47ms

48ms

AAAA

45ms

TXT

155ms

CAA

39ms

HTTPS

43ms

TLSA

77ms

SOA

40ms

MTA-STS

44ms

DNSSEC

107ms

SRV

0ms

Total

527ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 12:48:33	939ms	6 NS 1 A 0 MX	🔓 Insecure
2026-08-28 10:27:17	497ms	6 NS 1 A 0 MX	🔓 Insecure
2026-08-26 10:14:17	1033ms	6 NS 1 A 0 MX	🔓 Insecure
2026-06-26 19:02:58	797ms	6 NS 1 A 0 MX	🔓 Insecure
2026-06-16 13:26:10 shown	527ms	6 NS 1 A 0 MX	🔓 Insecure